Type Localities of Utah
Type locality is a term used to denote where a mineral was first
discovered. Sometimes a mineral may be discovered at one site, but not
enough material is available to do the proper analysis to describe it as
a new mineral. When this happens, that mineral has to wait until it is
discovered somewhere else where there is enough material to be
described. When this happens, both places are listed as co-type
localities. See Mcalpineite.
Listed here are minerals first discovered in Utah.
Contents included on this page:
Disclaimer
Mineral List
Alphabetical listing of Minerals with information and data.
Photos when possible
References used and credits.
DISCLAIMER
This publication, in no way, gives
permission to trespass or collect without consent of the land owners or
any parties involved with the land. Many of the locations listed are not
accessible for collection. Check with land owners before heading to
these locations.
Mineral List:
Abelsonite
Abernythite
Aluminocopiapite
Ammoniojarosite
Argentojarosite
Arseno-Bismite
Austinite
Barnesite
Beaverite
Billingsleyite
Bixbyite
Boltwoodite
Braitschite
Cannonite
Chayesite
Cobalt-Zippeite
Coconinoite
Corvusite
Crandallite
Eitelite
Englishite
Fangite
Fervanite
Frankhawthorneite
Garrelsite
Gillulyite
Goldichite
Grantsite
Gordonite
Haynesite
Jensonite
Juabite
Liesingite
Magnesium-Zippeite
Mallardite
Mcalpineite
Meta-Aluminite
Metahewetite
Metavariscite
Metazeunerite
Millisite
Montgomeryite
Neighborite
Overite
Pintadoite
Rabbittite
Rauvite
Reedmergnerite
Sodium-Zippeite
Stringhamite
Tinticite
Tooeleite
Tungstenite
Utahite
Umohoite
Uvanite
Wardite
Weeksite
unnamed from the Centiennial Eureka Mine
unnamed from the Thomas Range
unnamed from Gold Hill.
unnamed from Bingham
new from Patrick Haynes
Mineral Descriptions:
AbelsoniteNiC31H32N4
Description: Abelsonite is a
crystalline nickel porphyrin mineral. It is a mineral derived from
organic materials. It was found in eight cores drilled from or near the
Mahogany Zone oil shale of the Green River Formation of Unitah County.
It occurs as platy crystal aggregates ranging from 30 microns to 3mm in
long. It was also found lining a tight vertical fracture, and was coated
with an unknown black substance. Color ranges from pink-purple to dark
red-brown, with a submatallic to adamantine luster. It’s hardness is
less than 3. It is not fluorescent under long or short wave ultraviolet
light. It is insoluble in water, hydrochloric acid, nitric acid, and in
benzene and acetone.
Crystallography: Triclinic. Space
Group: P-lattice. Forms in platy aggregates. {111}. (line over middle
one)
Location: Abelsonite was first
discovered in a core sample from the WOSCO well for the Western Oil
Corporation. The well is located in quadrangle Big Pack Mt. NE.
Sec 36 T 9 R 20 E. It came from the 2508.2 foot level of the well. This
sample came from the Mahogany Formation. This is a subsurface analog of
the kerogen-rich Mahogany Ledge of the Parachute Creek member of the
Green River Formation. Once abelsonite was recognized at this location
it was not hard to find it at other locations. It was found at five
different wells, all within the core samples. The other wells are in a
cluster about 16 miles south of the WOSCO well, but all still within or
near the Mahogany Formation.
Named for and Discovered By:
Abelsonite was discovered by Lawrence C. Trudell, from the Department of
Energy/Laramie Research Center in 1969. It was named in honor of Philip
H. Abelson, President, Carnegie Institution of Washington.
Associated Minerals: Abelsonite was
found associated with orthoclase, pyrite, quartz, dolomite, analcime and
an unknown K-Fe micaceous mineral.
Other Locations: This is the only
known occurrence of this mineral.
References: Am. Min. 63 (1978),
930-937.
_______________
AbernathyiteK(UO2)(AsO4)
-4H2O
Description: Belongs to the Meta-autunite
group. Abernathyite is a uranium arsenate that is part of the
metatorbornite group. It occurs as clear to transparent yellow thick
tabular blades. It occurs on sandstone. It’s luster is vitreous. I
fluoresce under both long and short wave ultraviolet light, and has a
pale to light yellow streak. The hardness ranges from 2 to 3. The
largest crystals were only 0.5 mm on an edge.
Crystallography: Tetragonal. Space
Group:P4/ncc. Class: (4/m 2/m 2/m). Abernathyite
forms ditetragonal-dipyramidal tabular crystal aggregates. They are thin
though usually thick. Most common form is {001} and {110}.
Location: Abernathyite was found as
yellow crystals on ore from the Fuemrol mine, Temple Mountain, in Emery
County. It was found as coatings on sandstone.
Named for & Discovered By: Mr. Jess
Abernathy owned and worked the mine. He noticed the small yellow
crystals on the ore and gave a sample to E.B. Gross, a mineralogist for
the U.S. Atomic Energy Commission, for identification. Mr. Gross did not
recognize it, and pass it to A.D. Weeks and M.E. Thompson of the U.S.G.S.
for identification. M.E. Thompson, Blanche Ingram, & E.B. Gross did the
original write up on the mineral and named it in honor of Jess
Abernathy.
Associated minerals: The type piece
was not associated with any other minerals, only the sandstone it was
found on. Later specimens were associated with scorodite, native
arsenic, orpiment, realgar, jarosite, metazeunerite and other uranyl-arsenates.
Other occurrences: Abernathyite is
found at Rivieral, Lodeve, Herault Dept. France. Also at Cave Hills,
Harding County, South Dakota.
References: Am. Min. 41 (1956), 82-90.
Am. Min. 49 (1964), 1578-1602.
_______________
Aluminocopiapite(NH4)2Fe63+(SO4)4(OH)12
Description: Belongs to the Copiapite
group. Aluminocopiapite occurs as efforescence of yellowish crusts or
massive fracture fillings.
Specific gravity is 2.163 (calc).
Crystallography: Triclinic. Space
Group: P1 (with a line over the 1). Class 1 with a line over it).
Location: Temple Rock, Emery County.
Named For and Discovered By:
Associated Minerals:
Other Locations: Mosqiuto Fork, Forty
Mile River, Alaska
References: Can. Min. 23 (1985), 53.
Am. Min. 52, (1967), 1220-1223.
_______________
Ammoniojarosite(NH4 )Fe33+(OH)6(SO4)2
Description: Belongs to theAlunite
group. Ammoniojarosite occurs as pale yellow, powdery fine grained
aggregate coatings and as discrete isolated nodules on and in lignite.
Some of the crystals and aggregates have hexagonal profiles.
Crystallography: Trigonal. Space
Group: R3m. Class: 3m. Very little work was done on the material from
Utah. Most of the work was done on specimens from Buffalo, Wyoming. It
is reported that specimens from Utah and Wyoming are indistinguishable
in hand samples. The crystal habit exhibited from material in Wyoming
was always in rhombahedral or prismatic.
Location: The exact location for
ammoniojarosite in Utah was never disclosed, because, it was thought to
have economic importance. Just a general area was disclosed. Kaibab
Fault, San Juan County.
Named For & Discovered By:
Ammoniojarosite is named because it’s chemically related to jarosite and
it contains the [(NH4)2O] molecule. It was
discovered by Mr. Frank Haycock of Panguitch, Utah. He refused to
disclose the exact location on the basis he felt it had economic
importance.
Associated minerals: In Utah
ammoniojarosite is found with tschermigite and is associated with
epsomite, palygorskite, and celestite. At Buffalo, Wyoming it occurs on
gypsum.
Other Localities: Ammoniojarosite is
reported from Wamsutter, Wyoming, Buffalo Wyoming, Lake County,
California. Valachov, Czechoslovakia.
References: Dana’s System of
Mineralogy, 7th ed. v. 2, p. 562-563 (1951).
_______________
ArgentojarositeAg2Fe63+(SO4)4(OH)12
Description: Belongs to the Alunite
group. Argentojarosite occurs as minute, micaswous hexagonal masses. It
is a mustard yellow to brown. It also occurs as coatings. Specific
gravity is 3.66 (meas.) and 3.660 (calc). It is a secondary mineral that
was of great importance because of the silver content.
Crystallography: Triclinic. Space
Group: R3m. Class: 3m.
Location: 900’ level, Tintic Standard
Mine, Tooele County.
Named For and Discovered By:
Argentojarosite is named for its close relation to jarosite and its
silver content.
Associated Minerals: Anglesite,
barite, and quartz,
Other Locations: Buffalo Mine, Tooele
County. Also at Leadville, Colorado; Black hills, South Dakota; Treore
Mine, St. Treath, Cornwall, England; Pits Mien, Grassington Moor,
Yorkshire, England, and the Rio Tinto Mine, Spain.
References: Am. Mine. 58 (1973), 936.
Dana’s 7th ed, v. 2, p. 565.
_______________
Arseno-BismiteBi2AsO4(OH)6
Description: Arseno-Bismite occurs as
heavy yellow green to brown microscopic aggregates and friable crusts
similar to limonite. Hardness is undetermined. When assay work was done
on the new material it was shown to consistently produce 3 to 19 percent
copper, one ounce gold, 150 ounces silver, 18 to 35 percent bismuth, per
ton of ore. This made it a very good ore. this along with the fact that
is was unattractive explains why there are no samples around. There is a
strong probability that other bismuth-arsenates exist but were never
described.
Crystallography: Cubic. No other work
has been done on this subject.
Location: Arseno-Bismite was first
discovered at the 600’ level of the Mammoth Mine, Tintic District, Juab
County, Utah. It occurred in large quantities and was an important ore.
Named For and Discovered By:
Arseno-Bismite is named for the arsenic laden bismite.
Associated With: Barite, limonite,
erinite and mixite. At Tazna, Bolivia it was associated with bismutite
and bindheimite.
Other Locations: Tazna, Boliva.
References: Dana’s System of
Mineralogy, 7th ed. v.2, p. 907.
_______________
AustiniteCaZnAsO4(OH)3
Description: Belongs to the Adelite
group. Forms a series with chonichalcite. Austinite occurs as clear or
whitish orthorhombic blades, or acicular sprays. Well developed and very
distinct crystals are common. The crystals are elongated down the c-axis.
It is found is an oxidation zone. Austinite crystals are usually not
longer than 0.5mm, but reach lengths of 1mm.
Crystallography: Orthorhombic. Space
Group: P212121. Class: 222. Its habits
are rhombic disphenoidal. The most common forms are {110}. Right and
left hand crystal forms are common as positive{111} and negative {111}.
Some of the crystals from the 150’ level show evidence that the were
deposited from solution. The most common form is {110}.
Location: The type piece was from an
unspecified location at the Gold Hill Mine, Clifton Mining District,
Tooele County, Utah. It is common at the Glory Hole on the southwest
side of the mine. The Glory Hole is considered to be the type location.
It also comes from the 80’, 150’, 300’, levels, and the middle pit. At
the 150’ level it occurs intimately with adamite.
Named For & Discovered By: Austinite
is named in honor of Professor Austin F. Rogers in recognition for his
valuable work in the field of mineralogy. Dr. W.R. Landwehr of Stanford
University did the work on the original pieces.
Associated Minerals: Austinite is
associated with adamite from the 150’ level and with talmesite at the
Glory Hole. It forms on a limonitic gossan that is believed to be
replacing dolomatic limestone.
Other Locations: Table Mountain,
Arizona; Cleaveland, Mine, Steven County, Washington; Sterling Hill
Mine, Sussex County, New Jersey; Ojuela Mine, Mapimi, Durango, Mexico;
Bolivia; Tsumeb; Bou-Azzer, Morocco; Greece; and Russia.
Referneces: Dana’s System of
Mineralogy, 7th ed. v.2, p. 809-810. Am Min. 56 (1971), 1359-1365.
_______________
BarnesiteNa2V6O16
-3H2O
Description: Barnesite is a hydrated
sodium vanadate. It was first studied in 1951. It is found I small
fractures and as cavity linings in sandstone in the oxidized zone of
vanadium rich uranium deposit. It forms as brilliant dark red blades
that resemble a fibrous coating, and as velvety coatings that appear
botryoidal. It has an adamantine luster when fresh and a slightly duller
luster after a short time. It forms clusters of parallel to subparallel
radiating fibers that follow the bedding planes of the sandstone. The
coatings on the sandstone range from 1/4 mm to 1/2 mm. Barnesite slowly
dissolves in dilute Hcl. Pleochroism is X = yellow, Y = orange-yellow, Z
= red.
Crystallography: Monoclinic. Space
Group: P2/m. Class: 2/m. The b axis is parallel to the length of
the blades or fibers.
Location: Barnesite was discovered at
the Cactus Rat group of mine, 15 miles east of Thompson, Grand County.
It was found in a conglomeratic bed that belongs to the Brushy Basin
Shale Member of the Morrison Formation. The mines are in the NE 1/4 of
Section 33 and NW 1/4 of Section 34 of T 22 S, R 22 E. Most of these
mines are bulldozer cuts that were worked in the 1950’s
Named For & Discovered By: Barnesite
is named in honor of Dr. William H. Barnes, National Research Council of
Canada, for his major contributions in the study of crystal structures
of vanadium minerals. The first specimens were collected by B.N. Webber
and L.B. Riley of the Union Mines Development Company.
Associated Minerals: Barnesite is
associated with Metahewetite in that they are very similar in
composition and appearance.
Other Localities:
References: Am. Min. 48 (1963),
1187-1195.
_______________
BeaveritePb(Cu2+Fe3+Al)6(SO4)4(OH)12
Description: Belongs to the Alunite
group. Beaverite occurs as a earthy yellow crust on high-grade
copper-lead ore. It can also be friable masses of hexagonal platelets.
It is a secondary mineral. Specific gravity is 4.36 (meas) and 4.31
(calc).
Crystallography: Trigonal. Class: 3m.
Space Group: R3m. Microscopic hexagonal platlets.
Location: Horn Silver Mine, Beaver
County.
Named For and Discovered By: Named for
the county it was discovered in.
Associated Minerals: Copper-lead ores.
Other Locations:Centennial Alta Mine,
Salt Lake County; Church Hills, Millard County; Hidden Treasure Mine,
Tooele County, Utah. Also at the Boss Mine, Yellow Pine District,
Nevada; Cochise and Pinal County, Arizona; Tsumeb, Nambia; Tui Mine,
Mt.Te Aroha, New Zealand; Chile, Australia, and Japan.
References: Dana 7th ed.., v 2, p.
568.
_______________
BillingsleyiteAg7(Sb,As)S6
Description: Billingsleyite occurs as
fine grained, dark lead gray aggregates, with a metallic luster.
Hardness is 2.5. Slightly sectile, not malleable, with a bright
silvery-metallic polished surface upon crushing or scratching. In
polished thin section it is homogeneous showing areas of argentite. It
has a distinct metallic luster rather that the black oxidation of
argentite. It was reproduced synthetically for the purpose of study.
Crystallography: No crystals were
collected. All X-ray work was done on massive crystalline material.
Single crystal work was done on the synthetically reproduced material.
It was determined to be orthorhombic, with a pseudotetragonal nature.
Space Group: C2221. Class: 222.
Location: Billingsleyite was
discovered at the North Lily Mine, East Tintic Mining District, Juab
County. It was taken from the high-grade silver ore of the Ophir Shale
above the 1200’ level.
Named For and Discovered By:
Billingsleyite was discovered in 1927 by Paul Billingsley (1887-1962),
and was named in his honor. Mr. Billingsley was a mining geologist who
discovered the North Lily Mine. Only a small amount of samples were
collected and they were given to the Harvard Museum for preservation
were they now remain.
Associated Minerals: Billingsleyite
was found in a high-grade silver deposit associated with argentite,
bismuthinite, galena, and pyrite, tennentite.
Other Locations: None reported.
References: Am. Min. 53, (1968),
1791-1798.
_______________
Bixbyite(Mn,Fe)2O3
Description: Bixbyite is found as
shiny black cubic crystals. The are usually smaller than a 0.5 inches,
but have been found just under 1 inch. This is the classic Dana location
for Bixbyite. Hardness is 6 to 6.5. It fuses under the blowpipe and
becomes magnetic. Dissolves slowly only after being ground into a fine
powder. The crystals are almost always cubic, but can be modified cubes.
The modified cubes , cubes with the corners cut off. Bixbyite has a high
metallic luster. Specific gravity is 4.5 to 5.5. It usually occurs in
vugs or lithophacies within the rhyolite
Crystallography: Isometric or Cubic.
Space Group; Ia3. Class: 2/m3 (line over the 3). Small bixbyites have
been found to have the trapezohedron (211) modification. The
trapezohedrons are the result of garnets that have been dissolved and
the cavities filled with bixbyite. Other habits include trisoctahedron.
Commonly in the form of 211 and 111.
Location: The classic location was
first reported as 35 miles southwest of Simpson Springs at the southern
end of the Dugway Mountains. It was later found to be in the Thomas
Range. The original location error happened because it use to be thought
that the Thomas Range and the Dugway Mountains were the same range. The
original location (Maynard Topaz Mine) is currently being mined for
Bixbyite and topaz. Bixbyite is now found at several locations in the
Thomas Range.
Named For and Discovered By: Bixbyite
is was discovered in the late 1890’s. It was discovered by and named for
Maynard Bixby. Maynard Bixby was a pioneer in the exploration of the
Thomas Range.
Associated with: Bixbyite is found on
and with topaz, and garnets in rhyolite. Occasionally it is found with a
red beryl.
Other Locations: Bixbyite is found in
Mexico, Africa, Spain, India, and Argentina. Also form the Wah Wah
Mountains is Utah.
References: Dana’s System of
Mineralogy. 7th ed. v.2, p. 550-551.
________________
BoltwooditeHK(UO2)SiO4
-1.5H2O
Description: Boltwoodite occurs as
pale yellow blebs or warts, and in radiating needle aggregates. It forms
on sandstone as a secondary oxidation product of the primary ore. It is
the only known uranyl silicate that contains an alkali as an essential
cation. It is weakly fluorescent dull green under both long and short
wave ultraviolet light. Specific gravity is 3.6. Specific gravity is
3.6. Hardness is 3.5 to 4. Boltwoodite has a pearly luster and is
vitreous and silky. It can also be dull to earthy in psuedomorphs after
uraninite. Crystals are transparent to translucent. Luster is pearly.
Radioactive.
Crystallography: Monoclinic. Space
Group: P21. Class: 2. The habit is the crystals are elongated
along the b-axis. Idealy it forms {010}.
Location: Boltwoodite was first found
at the Delta Mine, now known as the Pick’s Mine, at the western edge of
the San Rafael Swell, Emery County, Utah.
Named For and Discovered By:
Boltwoodite is named in honor of Bertram B. Boltwood (1870-1927), of
Yale University. Bertram Boltwoods’ research provided evidence that lead
was the first disintegration product of uranium. He also devised a
method for measuring geologic time using lead content of uranium
minerals.
Associated with: Boltwoodite is
associated with brochantite, gypsum, becquerelite, and an unnamed
uranyl-silicate. Often it is coated with gypsum.
Other Locations: Zaire, South
Australia, Argentina, Brazil, and Colorado, Pennsylvania, California,
and Scotland. At many other locations it occurs as bunt-orange in color.
References: Science, vol. 124, pg.
931, by Frondel C. and J. Ito in 1956. There’s been many papers written
of boltwoodite because it is the only known uranyl silicate with an
alkali cation. Am. Min. 46, 12-25, by Honea, R.M. (1961).
_______________
Braitschite-Ce7(CaNa2)O-RE2O3-11B2O3-7H2O
Description: Braitschite occurs in
nodules within anhydrite rock. The nodules occur between 6 inches and 3
feet from the basal part of the anhydrite bed. The anhydrite bed is
overlying a sylvite-rich salt bed. The nodules occur roughly spherical.
The smaller are more spherical. They range in size from 0.05 to 8 mm.
Compound nodules of up to four grouped together are were noted. The
nodules were pink to red due to hematite staining. Braitschite occurs in
the nodules as clear to white hexagonal plates. Specific gravity is 2.9.
There is question concerning how these nodules formed. There are no
other rare-earth borate minerals known. There are no other rare-earth
marine evaporate deposits known. This makes the study of this deposit
unique. There are a few theories to the mode of deposition, however. The
most accepted one is that the nodules formed as a result of a diagenetic
process.
Crystallography: Trigonal. Braitschite
forms within nodules as clear to white hexagonal plates. The hexagonal
plates showed only the pinacoid and prism forms. The plates range from
0.1 to 70 microns in diameter. All the crystals observed were euhedral.
The differences in the shape were due to different degrees of
developement. The general outline observed on the pinacoid, was
hexagonal to triangular. Some of the crystals showed a "lozenge" shape.
Location: Braitschite was found in
core samples from 3,000 to 3,500 feet deep from the Cane Creek Potash
Mine. The mine belonged to The Texas Gulf Sulfur Company, and was
located about eight miles southwest of Moab (SE 1/4 sec 24, T26S, R20E),
Grand County. The core samples were out of the Paradox Member, Hermosa
Formation, and is Pennsylvanian in age.
Named For and Discovered By:
Braitschite was named in honor of Professor Dr. Otto Braitsch of the
University on Freiburg, Germany.
Associated Mineral: Braitschite is
found in nodules of anhydrite. Pyrite, chalcopyrite, quartz, dolomite,
anhydrite, halite, and small amounts of hematite are also found
associated with Braitschite.
Other Locations:
Reference: Am. Min. 53 (1968),
1081-1095.
_______________
CannoniteBi2O(OH)2SO4
Description; Cannonite formed as an
alteration product of the primary Cu-Bi-S mineral assemblage. Cannonite
is colorless and transparent. The streak is white. Cannonite has a high
luster. It is brittle and has a conchoidal fracture, no parting or
cleavage. Cannonite shows no fluorescence. It has crystals only where it
was permitted to grow in quartz cavities. It occurred as intergrown
crystalline aggregates smaller than 1 mm. The crystalline aggregates are
subhedral to euhedral equant or prismatic. It also occurred as irregular
intergrown aggregates altering cuprobismutite and bismuthanite along the
grain boundaries or cleavages. Cannonite shows weak to moderate
bireflectant from gray to dark gray in reflected light. Internal
reflections are colorless to white. It is also weakly anisotropic.
Crystallography; Cannonite is
monoclinic. The crystals found were equant and prismatic.
Location. Cannonite was discovered at
the Tunnel Extension Mine, Ohio Mining District, Marysvale, Piute
County. (latitude 30 degrees 28 minutes North, longitude 112 degrees 14
minutes West). Radtke et al. (1967) gives a description of the
geology and the mineralogy of the deposit.
Named For and Discovered By; Cannonite
is named after Benjamin Bartlett the Fifth (1950-) who recognized that
it was something uncharacteristic form the mine, and donated specimens
from the mine for investigation.
Associated Minerals; Cannonite is
found in and on Quartz and cuprobismutite. It is also associated with
tetrahedrite, chalcopyrite, native gold, covellite, and chalcocite.
Other locations;
_______________
ChayesiteK(Mg,Fe)4Fe3+
(Si12O30)
Description; Chayesite occurs as deep
blue, transparent, tabular, microscopic crystals in lamproite. Streak is
white, with a vitreous luster. Even in thin section the crystals
remained blue. It has no cleavage.
The crystals are very small , usually
only 50 micrometers. Rarely were any as large as 100 micrometers. the
crystals are brittle with no cleavage. Hardness and density could not be
measured do to the small size of the crystals. Chayesite was found only
in one lamproite specimen at the type location. Extensive research was
conducted to locate more, none was ever found. Chayesite occured as a
late-crystallizing mineral in the groundmasses of lamproites. It was not
distributed uniformily.
Crystallography: Hexagonal. Point
Group 6/m 2/m 2/m. It is tabular with {0001} as the
dominant face. No twinning was ever detected. Faces are euhedral to
subhedral.
Location: Chayesite was discovered in
Moon Canyon, east of Francis, Summit County. It was found as a
rock-forming in a lamproite.
Named For and Discovered By:
Discovered by M.G. Best, of Brigham Young University, Provo, Utah. It
was named for Dr. Felix Chayes, Geophysical Laboratory, Carnegie
Institution, Washington, D.C.
Associated Minerals: Chayesite is part
of an igneous mineral assemblage. It is associated with late phase
lamproite liquid. It is associated with roedderite from extraterrestrial
meteorites. Chayesite is associated with K-feldspar and diopside.
Other Locations: It is suspected to be
from Cancarix, Spain. It is suspected to be in a lamproite just as pure
as the Moon Canyon site. It could also be found in some meteorites as it
is associated with roedderite.
References: Chayesite was first
repored as a new mineral in Am Min., 74, 1368-1373, by Velde, D. et
al. in 1968.
_______________
Cobalt-ZippeiteCo2(UO2)6(SO4)3(OH)10-16H2O
Description: Belongs to the Zippeite
group. Cobalt-zippeite forms a solid solution series with nickel
zippeite, and maybe some other cations as well. Cobalt-zippeite occurs
as extensive coatings on the mine walls, as very fine grained crystals
in a petal-like aggregate. The are tan to brownish yellow. to yellow
orange. It is almost impossible to distinguish the different zippeite
minerals in hand samples. Fluorescent bright yellow. Hardness is 2 and
specific gravity is 3.3. It was also found as warty crusts and dense to
earthy aggregates.
Crystallography: Orthorhombic.
Petal-like or shred-like aggregates.
Location: Happy Jack Mine, San Juan
County. This area is now privately owned and collecting is forbidden. It
was erroneously reported as in Emery County originally.
Named For and Discovered By:
Cobalt-zippeite is named for its relation to the mineral zippeite. It
was discovered by M.E. Thompson, A.W. Weeks, and A.M. Sherwood.
Associated Mineral: Sodium-zippeite,
cobalt-zippeite, johannite, uraninite, uranopilite, and other uranium
minerals.
Other Locations: Since the zippeite
minerals are all related together they may all be found in the same
area. Locations for zippeite include Canada, Colorado, Arizona, and
numerous locations in Utah.
Reference: Can. Min. 14 (1976),
429-436.
_______________
CoconinoiteFe2Al2(UO2)2(PO4)4(SO4(OH)2-20H2O
Description; Coconinoite forms light
creamy lath-like aggregates and at one location in platy grains on
sandstone. It is non-fluorescent under both longwave and shortwave.
Coconinoite is soft and has a specific gravity of 2.7. It occurs in an
oxidized zone of a sandstone uranium deposit. Coconinoite was discovered
at other locations in Arizona, both are given credit as type locality.
Utah is then a Cobalt-zippeite "type locality".
Crystallography: Orthorhombic.
Coconinoite is to fine-grained for single crystal studies, however it is
believed it may be monoclinic. This is suggested and supported by the
extinction lines from x-ray diffraction studies.
Location: It was first discovered at
the Jomac Mine, White Canyon, San Juan County.
Named For & Discovered By: Coconinoite
is named for Coconino County, Arizona, where it was also discovered at
the Sun Valley and Huskon Mines. It was discovered by A.F. Trites, Jr.
of the U.S. Geological Survey, in 1953 when he conducted a study of the
Uranium deposits in the White Canyon area of southern Utah.
Associated Minerals: Coconinoite was
often found covered with gypsum. It is also associated with jarosite,
limonite, petrified wood and coalized wood, clays and with uranium ores.
It was found on quartz sandstone.
Other Localities: Coconinoite has been
found in several mines in Arizona including the Blackwater No.4 Mine,
Sun Valley Mine, and the Huskon Mine, all in Coconino County. All the
locations have the same type of geological environment, a sandstone
uranium type deposit.
Reference: Am. Min. 51 (1966),
651-666.
_______________
CorvusiteV2O4-6V2O5-X
H2O
Description: Corvusite has a purplish
blue-black to brown color. Luster is blue-black. It is massive, but
studies of the slickensides suggests that is maybe fibrous. Hardness is
2.5 to 3. Fracture is concoidal. Specific gravity is 2.83 (determined by
heavy solution). Streak is the same color as the specimen, the color
difference is the blue-black to brown is due to a higher iron content in
the brown specimens. Corvusite is soluble in mineral acids. Corvusite is
one of the more common black minerals in the carnotite deposits of this
area, yet very little was suitable for research.
Crystallography: Monoclinic. Believed
it may also be orthorombic.
Location: Corvusite was first found at
the Jack Claim, Grand County. The claim is about 10 miles west of
Gateway, Colorado, placing it just inside Utah on the east side of the
LaSal Mountains. It was first found in the McElmo Sandstone Formation,
now called the Morrison Formation.
Named For and Discovered By: The word
corvusite is derived from the Latin word for raven (corvus), in
reference to the color similarity. The first samples were attained by
R.G. Hart who owned the mine with A.L. Thompson, Mr. Hart presented the
sample to Frank L. Hess of the U. S. National Museum, who performed the
investigation of the new mineral.
Associated Minerals: Corvusite is
associated with other black uranium and vanadium minerals in the
carnotite region of Utah and Colorado. A lot of these minerals are
associated organic materials, such as carbonized wood.
Other Locations: Along with the Jack
Claim, corvusite samples were found at Ponto No. 3 claim of the W.L.
Cummings Chemical Co. and on the north wall of the Gypsum Valley, San
Miguel County, Colorado, some 40 miles southeast of the Jack Claim.
Reference: Dana’s System of
Mineralogy, 7th ed. v. 2, p. 602-603.
_______________
CrandalliteCaAl3(PO4)2(OH)5-H2O
Description: Belongs to the
Crandallite group. Was first termed "pseudowavellite". Crandallite
occurs in compact to cleavable masses that have no crystalline
appearance. It fills cavities with irregular shaped botryoidal fillings.
The thickness of the Crandallite was 2mm to 6cm. The botryoidal masses
when cleaved have a straight lamellar appearance. It almost appears
fibrous, very fine and radiating. It also appears to have a platy
structure. Most of the Crandallite is covered by a crust of up to 0.5 mm
thick of tenorite. Hardness is 4. Specific Gravity undetermined.
Crandallite is white and opaque.
Crystallography: Triclinic. Space
Group: R-lattice. On the surface it appears botryoidal. When broken or
crushed it has a radiating fibrous structure.
Location: Crandallite was first
discovered on the dumps of the Brooklyn Mine, 1 1/4 mile east of Silver
City. It occurred in the monzonite and was very scarce.
Named For and Discovered By:
Crandallite was found by Mr. G.F. Loughlin of the U.S.G.S. It is named
after Mr. M.L. Crandall, an engineer for the Knight Syndicate of Provo,
Utah, who did much to aid the U.S.G.S. in the recent study of the
district.
Other Locations: Crandallite occurs as
a yellow crust and lining at Clay Canyon, Tooele County, Utah within the
variscite nodules. It can also be found at the variscite mine in Lucin,
Tooele County, Utah. Nevada, South Dakota, Arkansas, Canada, Bolivia,
Germany, France, Senegal, Australia, and Guatamala.
Reference: Dana’s System of
Mineralogy. 7th ed. v. 2, p. 835-837. Am. Min. 48 (1963), 1144-1153.
JCPDS File No. 33-257.
_______________
EiteliteNa2Mg(CO3)2
Description: Forms a series with
Roedderite. Eitelite forms as colorless to white transparent crystals.
Luster is vitreous. Hardness is 3.5 and specific gravity is 2.737
(meas). It also has a distinct cleavage in one direction.
Crystallography: Triagonal. Space
Group: 3 (with a line over the 3). Class: 3 (with a line over the 3)
Crystals are rhombohedrals and get up to 17 mm.
Location: Mapco Shrine Hospital No. 1
well, Duchesne County. Eitelite is found only within the Green River Oil
Shale Fm. (eocene).
Named For and Discovered By:
Assocaited Minerals: Trona, nahcolite,
shortite, magnesioriebeckite. Intimately associated with reedmergnerite,
and searlesite, crocidolite, and leucosphenite.
Other Locations: Carter Oil Comapny,
Kermit Poulsen No. 1 Well, Duchesne County. Tombstone Mountains, Yukon,
Canada and in Sri Lanka within the gem pits at Eheliyagoda, Raknapura
district.
References: Am. Min. 58 (1973), 211.
Am. Min. 40 (1955), 326-327. Can. Min. 20 (1982), 65-75.
_______________
EnglishiteK3Na2Ca10Al15(PO4)21(OH)7-26H2O
Description: Englishite is found as
aggregates surrounding spherules of wardite and millisite. Hardness is
<3. Cleavage is perfect (micaceous). Englishite is transparent to
translucent. Luster is vitreous to pearly.
Crystallography: Orthorhombic or
Monoclinic.
Location: Clay Canyon, Fairfield, Utah
County. Where is forms within the variscite nodules.
Named For and Discovered By:
Associated Minerals: Englishite is
always found with variscite and wardite. It may replace one or the
other, or just be on one or the other.
Other Locations: Custer County, South
Dakota.
Reference: Dana’s System of
Mineralogy, 7th ed. v. 2, p. 957-958. Can. Min. 22 (1984), 467-470. Min.
Rec. 17 (1986), 237-254.
_______________
FangiteTl3AsS4
Description: Fangite was found in one
sulfide block. It has a deep red to maroon color, similar to gillulyite.
It tarnishes to darker, almost metallic in color. In direct light it is
distinctively different in color than realgar. No streak was obtained
from the natural specimen. From synthetic fangite streak was orange-red,
hardness was 2 to 2.5 and specific gravity was measured at 6.20 and a
conchoidal fracture. No well formed crystals were found in nature. The
vug opening showed flat surfaces, which maybe cleaved masses.
Crystallography: Orthorhombic.
Trigonal dipyramids habit. {101}.
Location: Fangite was found in one
block from the stockpile at the Mercur Disseminated Gold Mine, Tooele
County, (Also known as just Mercur).
Named For and Discovered By: Fangite
is named for Jen-Ho Fang, of the University of Alabama, for his work in
the fields of crystallography, crystal chemistry and geostatistics.
Associated Minerals: The boulder
fangite was found in also contained pyrite, realgar, orpiment, and
calcite.
Other Locations: Material identical to
fangite was identified from the Crven Dol deposit in Alshar, formerly
Yugoslavian Republic of Macedonia. The material from this location was
found on lorandite, orpiment and realgar. No crystal studies were able
to be conducted on this material. Fangite has been synthesized.
_______________
Fervanite2Fe2O3-2V2O5-5H2O
Description: Fervanite is golden-brown
in color and has a high luster. It forms parallel fibers to 0.5 cm long.
There is no apparent cleavage. Specific gravity was undetermined.
Fervanite is insoluble in water.
Crystallography: Monoclinic. Habit is
radiating fibers.
Location: Fervanite was thought to be
gypsum with carnotite in it. When the gypsum was found without carnotite
it was examined and determined to be a new mineral. fervanite was common
in the carnotite region of Utah and Colorado. The first suspected
samples came from Polar Mesa, on the north side of the LaSal Mountians,
Grand County.
Named For and Discovered By: The name
is made of the element names that it is composed of, "fer" (ferrum iron)
and "van" (vanadium). It was discovered by Frank L. Hess of the U.S.G.S.
Associated Minerals: Fervanite is
associated with all the carnotite mineral of this area.
Other Locations: It is a very common
mineral in this region and is likely to be at many of the mines in this
region. Mr. Hess collected fervanite from the Gypsum Valley, San Miguel
County, Colorado.
Reference: Am. Min. 16 (1931),
273-277. Am. Min. 44 (1959), 322-341.
_______________
FrankhawthorneiteCu22+Te6+O4(OH)2
Description: Isolated crystals of
frankhawthorneite were found on drusy quartz. Only about 2milligrams of
this frankhawthorneite are known to exist. frankhawthorneite is
vitreous, adamantine, and transparent leaf green. frankhawthorneite does
not fluoresce. Hardness is estimated to be 3 to 4. Specific gravity is
unmeasured.
Crystallography: Monoclinic. No
twinning observed. Commonly in the form of {101}, {100}, and {011}.
Location: Centennial Eureka Mine,
Tintic District, Juab County. frankhawthorneite was collected off the
dump before it was reclaimed.
Named For and Discovered By:
frankhawthorneite is named for Prof. Frank C. Haowthorne, University of
Manitoba.
Associated Minerals: Mcalpineite,
pyrite, hematite, acanthite, chryscolla, connellite, enargite,
hinsdalite, svanbergite, and some unnamed minerals.
Other Locations: There are no other
reported localities for frankhawthorneite.
_______________
GarrelsiteBa3NaSi2B7O16(OH)4
Description: Garrelsite occurs as
colorless bipyramidal crystals. Hardness is not determined. Specific
gravity is 3.68 (meas) and 3.73 (calc).
Crystallography: Monoclinic. Space
Group: C2/c. Class: 2/m. The crystals appear as four-sided bipyramids.
The faces are striated.
Location: 2139’ to 2370’ level of the
Sun Oil Company, South Ouray No 1 Well, Uintah County.
Named For and Discovered By:
Associated Minerals: nahcolite,
shortite, searlsite, and wurtzite.
Other Locations: Searles Lake,
California.
References: Am. Min. 59 (1974), 623.
Acta Cryst. B32 (1976), 824. Bull. Geol. Soc. Am. 66, (1955), 1957.
_______________
GillulyiteTl2(As,Sb)8S13
Description: Gillulyite is translucent
deep red to red-purple, it tarnishes rapidly to darker red or metallic.
It resembles realgar but when compared side by side there is an obvious
distinction. Hardness is 2 to 2.5. Specific gravity was calculated at
4.14. Gillulyite has one perfect cleavage. Streak is brick red.
Crystallography: Monoclinic. No
twinning was observed. Commonly {101}, {110}, and {011}.
Location: Mercur Gold Mine, Oquirrh
Mountains, Tooele County. The original discovery was made at the upper
beds of the mine, about 25 meters below the contact with the Long Trail
Member on the 6780’ level of the Lulu Cut on the South Mercur Pit. Mine
coordinates N20900,E20280.
Named For and Discovered By: Named for
James C. Gilluly of the U.S.G.S. Mr. Gilluly wrote U.S. Geological
Survey Professional Paper173, Geology and Ore Deposits of the
Fairfield and stockton Quadrangles, Utah. This paper explains the
geology of the Mercur gold deposit.
Associated Minerals: Realgar,
orpiment, lorandite, and pyrite were all abundant in the area and with
the Gillulyite.
Other Localities: Gillulyite has not
been found anywhere else.
_______________
GoldichiteKFe(SO4)2-4H2O
Description: Goldichite occurs as
small radiating clusters of lath shaped crystals. Goldichite is pale
yellowish green. In artificial light it appears to have a distinct
lavander tint. Goldichite has excellent cleavage and a hardness of 2.5.
Specific gravity was measured at 2.43. Goldichite is only slightly
soluble in cold water and easily soluble in hot water and in dilute
mineral acids.
Crystallography: Monoclinic. Space
Group: P21/c. Class: 2/m. Forms in prismatic laths. Common forms include
{001}, {100}, and {011}.
Location: Dexter No.7 Mine, Calf Mesa,
Emery County, in the San Rafael Swell.
Named For and Discovered By:
Goldichite is named in honor of Samuel S. Goldich, Professor of Geology,
University of Minnesota. Pieces of Goldichite were submitted for
identification by R.L. Akright of the Atomic Energy Commission in 1953.
Associated Minerals: Coquimbite,
alunogen, halotrichite, copiapite, roemerite, melanterite, fibroerrite,
voltaite, chalcanthite, diadochite, sulfur, butlerite, parabutlerite,
and several other uranium minerals.
Other Localities:
Reference: Am. Min. 40 (1955),
469-480.
_______________
GordoniteMgAl2(PO4)2(OH)2-8H2O
Discription: Belongs to the
Paravauxite group. Gordonite forms as layers of glassy, clear and
cleavable crystals. The layers are less than a millimeter thick. The
layers are on or near variscite. No good crystals were found for
research. Gordonite resembles paravauxite.
Crystallography: Triclinic. Space
Group: P1 (line over the 1) Class: 1. (a line over the 1) No good
crystals were available for study.
Location: Clay Canyon, Fairfield, Utah
County.
Named For and Discovered By:
Associated Minerals: Variscite,
wardite and millisite.
Other Locations: Milgun, Station,
Western Australia.
References: Dana’s System of
Mineralogy, 7th ed. v. 2, p. 975-976.
_______________
GrantsiteNa4CaxV4+V5+(12-2x)
O32-8H2O
Description: Grantsite is dark green
to blackish aggregates of microscopic fibrous fillings in sandstone.
Grantsite forms as interstitial fillings in the sandstone and as thin
seams in the carbonized wood. Grantsite is also found as botryoidal
coatings pseudomorphing after paramontroseite and haggite which it is
oxidizing from. Grantsite streak is olive green to brown green. No
hardness was able to be determined, though it is soft and easily
smeared. Grantsite luster is silky or pearly to adamantine. Measured
specific gravity is 2.94 +/- 0.01. Fine fibers or grains of Grantsite
change from dark green to orange red in HCl, and dissolve to form an
orange to yellow solution.
Crystallography: Monoclinic. Space
Group: C2/m. Class: 2/m. Grantsite crystals occur in bundles of fibers
oriented parallel to the b-axis.
Location: Utah is a co-type locality
for Grantsite. Parco No 23 Mine, Grand County, The mine is located south
of highway 50, about 13 miles SE of Thompson. This is one of four mines
in which Grantsite was found in. Section 33, T.12 N.,R. 9 W. of Grants,
Valencia County, N.M. is where the type piece originally came from.
Named For and Discovered By: Grantsite
is named for Grants, N.M. Where the first type piece came from. It was
collected by T.W. Stern and L.B. Riley in 1952 in Grants, N.M. This
location did not produce enough material for a proper analysis.
Associated Minerals: Marcasite,
hematite, galena, pyrite, other uranium and vanadium minerals, and
haggite and paramontroseite.
Other Localities: Grantsite was first
discovered at Grants, N.M. Not enough material was available for
analysis. Later material was recovered at the Golden Cycle mining
Company Mine on Catkins Mesa, Arvin Dist. Montrose County, Colorado. It
was discovered in 1957 by Weeks and Truesdell. Who revisited the Grants
site for more material. Later M.E. Thompson found material at the Utah
Location.
References: Am. Min. 49 (1964),
1511-1526.
_______________
Haynesite(UO2)3(SeO3)2(OH)2-5H2O
_______________
JenseniteCu32+Te6+O62H2O
Description: Jensenite is a very rare
cupric tellurate. So little material was found that there is not a lot
of information available. The one crystal studied was roughly an equant
fragment. The fragment measures only 0.05 x 0.05 x 0.07 mm.
Crystallography: Monoclinic.
Location: Jensenite was found on the
dumps of the Centennial Eureka Mine, Tintic Mining District, Juab
County.
Named For and Discovered By: Jensenite
is named for Martin Jensen who discovered the mineral.
Associated Minerals: Jensenite is
associated with mcalpineite, xocomecatlite, cesbronite, and
frankhawthorneite.
Other Location: This is the only
reported location for Jensenite.
_______________
Juabite
_______________
LiesingiteCu(Mg,Cu,Fe,Zn)2Te6+O6-6H2O
Description: Leisingite is a secondary
mineral that formed from the breakdown of the primary Cu- and Te-
bearing sulfides at the mine. Liesingite occurs as single, or rarely as
clusters, hexagonal thin plates, or as foliated masses in cavities of
quartz. The crystals are subhedral to euhedral. Liesingite is pale
yellow to pale orange and is transparent. Streak is yellow. Liesingite
is brittle to slightly flexible, has uneven fracture and in
non-fluorescent. Liesingite has a hardness of 3 to 4 and perfect
cleavage. Calculated specific gravity is 3.41. Liesingite has a frosted
or satiny appearance.
Crystallography: Hexagonal. Platy
single crystals or aggregates of platy crystals. 0.1mm across and
extremely thin. Forms include {100} commonly and {100}, {110} rarely.
Location: From the dumps of the
Centennial Eureka Mine, Tintic Mining District. Juab County, Utah
Named For and Discovered By: Mr.
Joseph F Liesing of Reno Nevada. Mr. Liesing helped collect the type
material.
Associated Minerals: Liesingite is
associated with jensenite, cesbronite, and hematite.
Other Localities: There are no other
reported locations of Liesingite.
_______________
Magnesium-ZippeiteMg2(UO2)6(SO4)3(OH)10-16H2O
Description: Belongs to the Zippeite
group. Magnesium-zippeite- occurs as fine grained efflorescent coatings.
It is orange yellow to orange tan. It is in solid solution with
Cobalt-zippeite and Sodium-zippeite and therefore has the same
properties as they do. Magnesium-zippeite is fluorescent bright yellow,
hardness is 2, and specific gravity is 3.3.
Crystallography: Orthorhombic.
Location: Lucky Strike No. 2 Mine, San
Juan County.
Named For and Discovered By:
Magnesium-zippeite. is named for its relation to the mineral zippeite.
It was discovered by M.E. Thompson, A.W. Weeks, and A.M. Sherwood.
Associated Mineral: Sodium-zippeite,
cobalt-zippeite, johannite, uraninite, uranopilite, and other uranium
minerals.
Other Locations: Since the zippeite
minerals are all related together they may all be found in the same
area. Zippeite locations include Canada, Colorado, Arizona, and numerous
locations in Utah.
References: Can. Min. 14 (1976),
429-436.
_______________
MallarditeMnSO4-7H2O
Description: Belongs to the
Melanterite group. Mallardite occurs as fiberous masses and crusts of
pale rose. It is vitreousand dehydrates rapidly to opaque. Soluble in
water. Hardness is 2 and specific gravity is 1.846 (meas. on syn.).
Crystallography: Monoclinic. Space
Group: P21/c. Class: 2/m. Usually massive or as a crust.
Location: Lucky Boy Mine, Butterfield
Counyon, Sal tLake County.
Named For and Discovered By:
Associated Minerals: Manganoan
melanterite.
Other Locations: Bayard area, Grant
County, New Mexico and Jokoku Mine, Hokkaido, Japan.
References: Min. Abst. 82M/4639,
(1879); Dana 7th ed. v. 2, p 507-508. JCPDS File No. 33-905.
_______________
McalpineiteCu3TeO6-H2O
Description: Mcalpineite is an emerald
green 0.5 mm crust on quartz. Mcalpineite has a adamantine luster and a
light green streak. It is non-fluorescent. hardness and specific gravity
could not be measured due to the size and quantity of the material. Some
of the crusts have anheadral faces 20 microns or smaller.
Crystallography: Cubic.
Location: Mcalpineite is co-type
locality for Utah. Mcalpineite was first discovered at the Mcalpineite
Mine, Tuolumne County, California. The material found here was
insufficient for research. Later it was discovered at the Centennial
Eureka Mine, Juab County, Utah. This produced enough material for
further identification.
Named For and Discovered By:
Mcalpineite is named for the mine it was first discovered. The McAlpine
Mine.
Associated Minerals: At the Centennial
Eureka Mine, it was associated with xocomecatlite,
hinsdalite-svanbergite, goethite, and several new minerals. At the
McAlpine Mine it is associated with Muscovite, calcite goethite,
hematite, mimetite malachite azurite, pyrite, hessite, electrum, silver,
galena, and several other minerals.
Other Localities: No other locations
are reported.
_______________
Meta-AluminiteAl2(SO4)(OH)4-5H2O
Description: Meta-Aluminite forms as
soft, microcrystalline, white veinlets. Meta-Aluminite has the
appearance of aluminite from Halle, Saxony, but with a more silky
luster. The crystals of Meta-Aluminite appear as feathery minute laths
with inclined extinctions. The laths are only a few microns thick and
are warped. Meta-Aluminite is very abundant in the area it was found.
Crystallography: Monoclinic. Lath-like
feathery aggregates.
Location: Meta-Aluminite was first
found at the Fuemrole Mine, Temple Mountain, Emery County. The mine is
on the west slopes of Temple Mountain. This Mine is also the Type
locality for the mineral Abernathyite.
Named For and Discovered By:
Meta-Aluminite is an appropriate name because it is a lower hydrate than
aluminite and can be formed from that mineral when it is heated to above
55* C. The change was indeterminable in specimens left at room
temperature for over 10 years.
Associated Minerals: Aluminite,
basaluminite.
Other Localities: Greater Goloustan
area, USSR.
References: Am. Min. 53 (1968),
717-721. JCPDS File No. 32-27.
_______________
MetahewetiteCaV65+O16-3H2O
Description: Metahewetite occurs as
fibers of deep red aggregates coating sandstone. Luster is silky. Streak
is maroon to brownish-red. Specific gravity is 2.94 (meas.).
Crystallography: Monoclinic. Space
Group: A2/m. Class: 2/m. Metahewetite forms well developed laths
that are wlongated and flattened.
Location: Thompson, Grand County.
Named For and Discovered By:
Associated Minerals: Hewetite and
gypsum.
Other Locations: Get Me Rich Mine,
Edgemont, Fall River, South Dakota; Paradox Valley, Montrose County,
Colorado; and many other locations within the Colorado Plateau.
References: Min. Mag. 43 (1979), 550.
Dana 7th ed. v. 2, 1061-1062. Am. Min. 44 (1959), 322-341.
_______________
MetavarisciteAlPO4-2H2O
Description: Metavariscite occurs
within cavities of variscite as a pale green drusy. It is transparent to
transluscent. Hardness is 3.5 and specific gravity is 2.54 (meas.) and
2.535 (calc.). Streak is white.
Crystallography: Monoclinic. Point
Group: 2/m. The crystals are minute and tabular, {010} slighlty
elongated or equant {001} and {100}.
Location: Edison Bird Mine,Utahlite
Hill, Lucin, Box Elder County.
Named For and Discovered By: Named for
its relationship with variscite. Metavariscite was named and discovered
in 1925.
Associated Minerals: Variscite.
Other Locatons: Candelaria, Nevada and
Malpelo Island in the Pacific Ocean.
References: Dana 7th ed. (1951), v. 2,
p. 769. Dana 8th ed., p. 803.
_______________
MetazeuneriteCu2+(UO2)2(AsO4)2-8H2O
Description: Metazeunerite occurs as
pale green, grassy-green, or emerald-green tabs. Luster is vitreous. It
is fluorescent under ultraviolet light. Hardness is 2 to 2.5 and
specific gravity is 3.64 (meas) and 3.79 (calc.). It is transluscent to
transparent.
Crystallography: Tetragonal. Space
Group: P42/n. Class: 4/m. Crystals are thin rectangular
tablets. It can also be micaceous, foliated, and in subparallel
aggregates.
Location: Centennial Eureka Mine,
Tintic Mining District, Utah County.
Named For and Discovered By:
Associated Minerals:
Other Locations: Nevada, Montana,
South Dakota, Colorado, Arizona, Germany, France, Italy and England
along with numberous other locations,
References: Am. Min. 49 (1964), 1619.
USGS Bull. 1064, p 215-220 (1958).
_______________
Millisite(NaK)CaAl6(PO4)4(OH)9-3H2O
Discription: Forms as white bands
around wardite. Hardness is 5.5 and specific gravity is 2.83. Millisite
fuses at 3.5. The bands or crusts are made up of successive layers of
matted fibers.
Crystallography: Tetragonal. Space
Group: P41212 or P43212.
Class: 422. Forms as crusts or spheres.
Location: Clay Canyon, Fairfield, Utah
County. This is approximately 50 miles south of Salt Lake City, Utah.
Named For and Discovered By:
Associated Minerals: Millisite is
always found with wardite. They are found in or around the variscite
kernals.
Other Locations: Bone Valley, West
Florida; Thies, Senegal, Africa; Iron Knob, South Australia.
References: Dana’s System of
Mineralogy, 7th ed. v. 2, p. 941-942. Am. Min. 45 (1960), 547.
_______________
MontgomeryiteCa4Al5(PO4)6(OH)5-11H2O
Description: Isostructural with
knigsmountite and calcioferrite. Montgomeryite is found as deep green to
pale green and clear material replacing variscite. It was thought to be
gordonite, but was determined to be a separate species. Almost all green
gordonite was determined to be Montgomeryite is abundant in the
variscite nodules as massive bands separating the kernels of variscite
from the outer alterations. Inside these massive bands are often
cavities which contain crystals of montgomeryite. Montgomeryite was one
of the last stages to form. Apatite "sheafs" of radiating crystals and
needles are found on the massive montgomeryite in the cavities. Hardness
is 4 and specific gravity is 2.530 +/- 0.05. Luster is vitreous.
Crystallography: Monoclinic. Space
Group: C2/c. Class: 2/m. Crystals are often lath shaped flattened on
{010} with pyrimidal {001} terminations. Subparallel clusters are
common. Crystal size averaged 0.8 x 0.5 x 0.1 mm.
Location: ???Green Eye Monster
Mine???, Clay Canyon, Tooele County.
Named For and Discovered By: Named for
Mr. Arthur Montgomery. He and Mr. Edwin Over (see Overite)spent lots of
time collecting and cataloging nodules form this location. Shannon and
Larsen (1930) described this mineral partial. Due to the lack of
material at the time it was labeled unnamed #8.
Associated Minerals: Englishite and
variscite.
Other Localities: Etta Mine,
Pennington County, and Custer County, South Dakota; Foote Mine,
Cleaveland County, North Carolina; Minas Gerias, Brazil; Sandamab
pegmatite, Namibia; Kazakhastan; Mingun Station, Western Australia and
Iron knob, Southern Australia.
References: Am. Min. 59 (1974),
849-850. Min. Rec. 14 (1983), 195-197.
_______________
NeighboriteNaMgF3
Description: Neighborite is vitreous,
with no cleavage, and has uneven fracture. Neighborite is also not
soluble in water, slowly soluble in hydrochloric or nitric acid, and
more rapidly soluble in sulfuric. Specific gravity is 3.02.
Color is cream to clear and colorless.
Pink and brown rounded grains were also found.
Crystallography: Cubic. Orthorhombic.
Space Group: Pcmn. Class: 2/m2/m2/m. Forms octahedrons of both single
crystals and twins. Common forms are {111} and {100}.
Location: Uintah County. Neighborite
was found in the cuttings from two wells in this county. The Sun
Havenstrite Well and the South Ouray Well. The material analyzed came
from the Sun Haverstrite Well. The material studied was from the 1930’
level of the well, and occurred in about 10 foot intervals. Neighborite
is found in the grayish to black dolomitic oil shale of the Green River
Formation in the South Ouray area.
Named For and Discovered By:
Neighborite is named in honor of Mr. Frank Neighbor, District Geologist
of the Sun Oil Company. Mr. Neighbors efforts in preserving samples
allowed for the discovery of Neighborite and garrelsite also form this
area.
Associated Mineral: Epidote,
burbankite, pyrite, nahcolite, wurtzite, baryocalcitecalcite, and
quartz.
Other Locations: Ural Mountains,
eastern Siberia and the Kola Peninsula Russia. Lake Gjerdingen, Oslo
Region, Norway.
References: Am. Min. 46 (1961),
379-393.
_______________
OveriteCa3Al8(PO4)8(OH)6-15H2O
Description: Belongs to the Overite
group. Overite forms as pale green to colorless crystals that are
vitreous. Overite forms in cavities within variscite nodules. It often
forms the white crusty looking material that holds the variscite kernels
in the nodules. It was also found replacing the variscite and other
minerals within the nodules. Crystals are easily cleaved with perfect
cleavage. Hardness is 4, specific gravity is 2.53 using bromoform as a
suspension. Overite is colorless under the microscope.
Crystallography: Orthorhombic. Space
Group: Pcca. Class: 2/m2/m2/m. Overite nearly always forms crystals.
Parallel growths are very common. Crystals average 0.3 x 0.1 x 0.05 mm
in size. Usually pinnacoid {100}.
Location: ???Green Eyed Monster
Mine???, Clay Canyon. Tooele County. Where is occurs inside the
variscite nodules.
Named For and Discovered By: Overite
is named for Mr. Edwin Over of Colorado Springs, Colorado. Mr. Over
recognized the material as a new mineral and helped collect material for
study.
Associated Minerals: Variscite and
englishite.
Other Localities:Milgun Station,
Western Australia.
References: Dana’s System of
Mineralogy, 7th ed. v. 2, p. 979-980. Am. Min. 59 (1974), 48-49.
_______________
PintadoiteCa2V2O7
- 9H2O
Description: This mineral is
inadequately described. Color is dark green. It is slowly soluble in
water. It forms as an efforescence on the matrix. It was found as thin
masses on sandstone.
Crystallography: ?
Location: Pintado Canyon, San Juan
County.
Named For and Discovered By: Named for
the type location. Pintadoite was named in 1914.
Assocaited Minerals:
Other Locations: Temple Mountain,
Emery County; Bull Canyon, San Miguel County, Colorado; and Apache
County, Arizona.
References: Dana 7th ed. (1951) v. 2,
p. 1053. Washington Acadamy of Science 4, 576, (1914).
_______________
RabbittiteCa3Mg3(UO2)2(CO3)6(OH)4-18H2O
Description: rabbittite occurs as
efflorescence on a pillar of high-grade uranium ore. The crystals are
pale-green, silky, and resemble bent and twisted talc crystals. The
crystals are very small and just harder than gypsum, approximately 2.5.
Specific gravity is 2.57. rabbittite effervesces in dilute hydrochloric
acid and is soluble in cold water.
Crystallography: Monoclinic. Small
crystals are elongated parallel to the c-axis {001}. Cleavage is
perfect along the basal and is good prismatic in the other two
directions.
Location: Lucky Strike No. 2 Mine,
Emery County. rabbittite was collected from a pillar of pitchblende and
other uranium mineral near the portal. This deposit is in the Shinarump
Conglomerate (Tr) within the San Rafael Swell.
Named For and Discovered By:
rabbittite is named in honor of John C. Rabbitt for his leadership. Mr.
Rabbitt was the chief of the U.S. Geological Survey Trace Elements
Section from 1947-1953.
Associated Minerals: Pitchblende,
pyrite, galena, zippeite, and other uranium minerals.
Other Locations: No other reported
locations.
References: Am. Min. 40 (1955),
201-202.
_______________
RauviteCa(UO2)2V105+O28-16H2O
Description: Rauvite occurs as
purpleish to blueish-black fillings in cracks in sandstone. It may also
be brownish-red or burnt orange. Luster is adamantine. Streak is
yellowish to olive. Rauvite is not fluorecent. It was found as crack
fillings, botryoidal crusts, and as films, as well as interstitial
filings in the sandstone. It is very fine grained and was found in
slickensides. Rauvite is waxy and brittle.
Crystallography: Undetermined.
Locatin: Shinarump Member, Chinle
Formation, Flat Top, Temple Rock (Mountain), Emery County.
Named For and Discovered By:
Associated Mineral: Carnotite, gypsum,
uvanite, hewetite, metahewetite, and metatorbernite.
Other Locations: Temple Mountain Mine,
Temple Mountain, Emery County, Utah. Also Cactus Rat Mine, and the
corvusite mines, Thompson District, Grand County; Monument No. 2 Mine,
San Juan County, Utah. As well as the Small Pot Mine, and Arrowhead
Mine, Meas County; Hummer Mine, Montrose County, Colorado. Road Hog No.
3A Mine, Get Me Rich Mine, Ridgerunner Mine, Virgina C. Mine, and Hot
Point Mine, Edgemont area, Fall River County, South Dakota.
References: U.S.G.S. Bull. 1064, p.
263-264 (1958). Encyclopedia of Minerals, 2nd ed. Van Norstram and
Reinhold. p 719.
_______________
ReedmergneriteNaBSi3O8
Description: Belongs to the Feldspar
group. Reedmergnerite is the boron analog of albite. It is also
isostructural with albite. Reedmergnerite forms short colorless vitreous
crystals. It fuses easily and is insoluble in nitric and hydrochloric
acid, and decomposes in hydrofluoric acid. Hardness is 6 to 6.5.
Specific gravity is 2.69 (observed), 2.77 (calculated). The largest
crystal is 0.2 cm. Reedmergnerite also has perfect cleavage in one
direction.
Crystallography: Triclinic. Space
Group: C1. (line over the 1) Class: 1??? Forming stuby, short crystals
with characteristic wedge-shaped terminations. Common forms are {010},
{100}, and {210}.
Location: Reedmergnerite was first
noticed at the Sinclair Mortenson Well, Duchesne County. After it was
discovered at the Sinclair Mortenson Well, it was found at five
different wells in a 20 mile radius of the area. The Willis Moon No. 1,
Elmer Moon No. 1, Duchesne County No. 1, Joseph Smith No. 1, and the
Kermit Poulson No. 1, all owned by the Carter Oil Company. It is found
in the black oil shale of the Green River Formation.
Named For and Discovered By:
Reedmergnerite is named in honor of two technicians for the U.S.G.S. who
sent their life making and preparing thin sections for reports for
U.S.G.S. geologists. Frank S Reed and John L. Mergner. Reedmergnerite is
a combinations of their last names.
Associated Minerals: Eitelite,
shortite, nahcolite, searlesite, leucosphenite, acmite, analcite, and
magnesioriebeckite in unmetamorphosed dolomitic oil shale.
Other Locations: The six wells listed
here and in an alkalic massif at Dara-i-Poiz massif, Tadzhikistan
reported locations. Also reported from the Lovozero Massif, Kola
Peninsula, Russia.
References: Am Min., 45, 188-199. by
Milton C., E.C.T. Chao, J.M. Axelrod and F.S. Grimaldi in 1960. Grew,
E.S. M.G. Yates, D.I. Belakovshiy, R.C. Rouse, S.C. Su, and N. Marquez
did a paper entitled "Hyalotekite from reedmergnerite-bearing
perlakaline pegmatite, Dara-i-Pioz, Tajikistan". Published in
Min. Mag., 58, 285-297.
_______________
Sodium-zippeiteNa4(UO2)6(SO4)3(OH)10-4H2O
Description: Belongs to the Zippeite
group. This is the most common of the Na-,Mg-,Co-, zippeite group. The
color contrasts greatly against the golden yellow of zippeite. It is a
just yellow. occurs as fine grained efflorescent coatings. It is orange
yellow to orange tan. It is in solid solution with Cobalt-zippeite and
Sodium-zippeite and therefore has the same properties as they do.
Magnesium-zippeite is fluorescent bright yellow, hardness is 2, and
specific gravity is 3.3.
Crystallography: Orthorhombic.
Location: Happy Jack Mine, San Juan
County is the type locality for sodium-zippeite.
Named For and Discovered By: is named
for its relation to the mineral zippeite. It was discovered by M.E.
Thompson, A.W. Weeks, and A.M. Sherwood.
Associated Mineral: Sodium-zippeite,
cobalt-zippeite, johannite, uraninite, uranopilite, and other uranium
minerals.
Other Locations: In Utah it is also
found at the Delta Mine, Emery County, Atomic King Mine, San Juan
County, Oyler Mine, Wayne County, Lucky Strike Mine, W.M. Mine, Soda
Roll Mine, San Juan County, and from Fruita, Utah. Zippeite has been
found in Joachimsthal and from Gilpin County, Colorado.
References: Can. Min. 14 (1976),
429-436.
_______________
StringhamiteCuCaSiO4-2H2O
Description: Stringhamite is deep
azure blue to almost purple. The crystal and crystal fragments are
translucent to transparent. Specific gravity is 3.16 to 3.18.
Stringhamite occured as a retrograde product reactionbetween the
copper-bearing solutions and the diopside in the diopside-magnetite
tactite. Stringhamite is pleochroic, X = light grey blue, Y = light
blue, Z = dark blue.
Crystallography: Monoclinic. Space
Group: P21 /c Class: 2/m. Biaxial (+), alpha is light gray
blue (1.707), beta is light blue (1.717), and theta is dark blue
(1.729). Morphology is dominated by {011}, {101}, and {111} (Line over
the first one)
Location: Bawana Pit, Old Hickory
Mine, Milford, Beaver County. It was only found in the one location at
the mine.
Named For and Discovered By: Named for
Bronson F. Stringham (1907-1968), late chairman of the Department of
Mineralogy at the University of Utah. Specimens were collected in 1969,
but not large enough quantities were collected until the early 1970’s to
describe the mineral.
Associated Mineral: Stringhamite is
found in a diopside-magnetite skarn. It is associated with thaumasite,
tenorite, kinoite, and calcite.
Other Locations: The other locations
reported for stringhamite is the Christmas Mine, Gila County, Arizona,
and the El Bronce Mine, Tierra Amarilla, Chile.
Mineral "F" from the Crestmore Quarry
in Riverside California was determined to be identical in analysis as
that of stringhamite. It was discovered in 1943 by A.O. Woodford who
assigned it the designation "mineral F" at the time because there was
not enough material to analyze using the methods of that time.
References: Am. Min. 61 (1976),
189-192.
_______________
Tinitcite2FePO4-Fe(OH)3-3.5H2O
Description: Tinticite occurs as a
dense porcelain-like mass in veinlets of jarosite. It appears earth,
compact and has a creamy with a hint of green-yellow. Hardness is 2.5
and specific gravity is 2.82. Tinticite is insoluble in water, sulfuric
acid, and nitric acid, but is slowly soluble in hydrochloric acid. More
crude tests that were performed on it showed it had no gritty texture
when chewed and was not clay-like either. The powder from a fingernail
scratch was not soapy. It is believed to form from the iron in the
limestone and the bat guano on the walls.
Crystallography: Orthorhombic. The
average size is about one micron.
Location: Tinticite was found during a
study of hidden ore bodies in the Tintic Mining District in 1944. The
exact site is not known.
Named For and Discovered By: Tinticite
is named for the mining district it was found in. It was discovered by
Dr. T.S. Lovering of the U.S.G.S. while he was studying ore bodies in
the area.
Associated Minerals: The iron is from
the jarosite and the phosphate is from bat guano.
Other Locations:
References: Dana’s System of
Mineralogy, 7th ed. v. 2, p. 970-971.
_______________
TooeleiteFe83+(AsO4)6(OH)6-5H2O
Description: Tooeleite is found as
radiating sprays or aggregates. It is cadmium orange to a brown orange
with a streak the same color. It is found in cavities within scorodite.
Hardness is 3. Tooeleite seems gummy when first scratched. The layers it
forms are only a couple of millimeters thick. Luster is greasy.
Tooeleite is non-fluorescent.
Crystallography: Orthorhombic.
Elongated blades up to 10 mm were found. Tooeleite crystals have well
formed terminations, and the cleavage surfaces appear wrinkled. Crystals
are bound by {010}, {304}, and {100}.
Location: Waste Dumps of the U.S.
Mine, Clifton District ( also known as the Gold Hill Mining District),
Tooele County.
Named For and Discovered By: Tooeleite
is named for the county of its origin. In 1964 a single sample was
found. No work was done on the sample until 1984 when plenty of new
material was found. The first sample was collected underground. The
remaining material came from the dumps. The mine has scence been
reclaimed. Very little of anything is found at this location anymore.
Associated Minerals: Tooeleite is
found within scorodite. It is assiciated with jarosite, galena, pyrite,
goethite, and gypsum.
Other Locations: This is the only
known location.
_______________
Tungstenite-2HWS2
Tungstenite-3R is a poly type of
Tungstenite-2H
Description: Tungstenite occurs as a
replacement deposit of limestone. It forms as fine scales or as feathery
aggergates of a lead-gray. Tungstenite is opaque with a lead-gray
streak. Hardness is 2.5 and specific gravity is 7.75 (meas) and 7.732
(calc).
Crystallography: Hexagonal. Space
Group: P63/mmc. Class: 6/m 2/m 2/m.
Location: Emma Mine, Little Cottonwood
Canyon, Salt Lake County.
Named For and Discovered By:
Assocaited Minerals: Wolframite,
pyrite, tetrahedrite, sphalerite, galena, argentite, and quartz.
Other Locations: British Columbia,
Canada; Tsumeb, Namibia.
References: NBS Circ. 539 (1959), v.
8, p. 65. Can. Min. 10 (1970), 729-732. Dana 7th ed. v. 1, p. 331-332.
JPDCS 35-651. Encyclopedia of Minerals, 2nd ed. Van Norstram and
Reinhold. p 719
_______________
Tungstenite-3RWS2
A poly type of Tungstenite-2H
See Tungstenite-2H
References: JPDCS 35-651. Encyclopedia
of Minerals, 2nd ed. Van Norstram and Reinhold. p 719.
_______________
Utahite
_______________
Umohoite(UO2)MoO4-4H2O
Description: Umohoite forms as
plate-like or fine grained foliated aggregates. It luster is bright
metallic to submatallic with a black to blueish black color. Hardness is
< 2. Specific gravity is 4.55-4.93 (meas). It occurs as thin veins or as
disseminated specks in clay.
Crystallography: Monoclinic and
orthorhombic. Class: 2/m; 2/m2/m2/m. Habit is plate-like.
Location: Freedom No. 2 Mine,
Marysvale, Piute County.
Named For and Discovered By:
Assocaited Mineral: Uranium-bearing
veins in clay.
Other Location: Alyce Tolino Mine,
Cameron, Arizona. Lucky Mc Mine, Wyoming. Zaire, Australia, and Russia.
Refernces: USGU. Bull. 1064, p.
148-149. Am. Min. 44 (1959), 1248.
_______________
UvaniteU26+V65+O21-15H2O
Description: Minute crystalline masses
and coatings. Color is brownish-yellow. Uvanite has two pincoidal
cleavages. Pleochroic: X = light brown, Y = dark brown, Z = yellow
green.
Crystallography: Orthorhombic.
Location: Temple Mountain, Emery
County.
Named For and Discovered By: Uvanite
is a named for its’ compsition, U for uranium and van for vanadium. It
was discovered and named in 1914.
Associated Minerals: Gypsum, halite,
opal, and secondary uranium and vanadium minerals.
Other Locations: Monument No. 2 Mine,
Apache County, Arizona.
References: Dana 7th ed. (1951), v. 2,
1056. Dana 8th ed. (1997), 991. USGS Bull. 1064, p. 261-263.
_______________
WarditeCaNa4Al12(PO4)(OH)18-6H2O
Discription: Isostructual with
cyrilovite. Wardite is found as coarse fibers, aggregates, or crusts of
blue-green to colorless crystals. The aggregates are subparallel.
Individual crystals can exceed one milimeter. Specific gravity is 2.87
to 2.81. Hardness is 5. Soluble in acid with difficulty.
Crystallography: Tetragonal. Space
Group: P412121. Class: 422. Wardite has
a characteristic pyrimidal termination.
Location: Clay Canyon, Fairfield.
Named For and Discovered By:
Associated Minerals: Wardite is
intematly associated with millisite. Both minerals are associated with
the variscite and other minerals in the nodules from this location.
Other Locations: Ametrice Hill, Tooele
County and Lucin, Box Elder County, Utah. Beryl Mountain, New Hampshire;
Newry, Maine; Steward Mine, Pala, Sna Diego County, California;
Keystone, South Dakota; Rapid Creek, Yukon, Canada. Also found in
France, Brazil, and Australia.
_______________
WeeksiteK2(UO2)2(Si2O5)3-4H2O
Description: Also known as Gastunite.
Weeksite occurs in small spherical of bright yellow radiating crystals.
Hardness is 1.5 and specific gravity is 4.1. Luster is silky to waxy.
Weeksite resembles wavellite in structure. The crystals show two good
prismatic cleavages. It shows no fluoresces. Radioactive. Pleochroism:
X=colorless, Y=pale yellow-green, Z=yellow-green
Crystallography: Orthorhombic Space
Group: Pnnb. Class: 2/m 2/m 2/m. Pseudotetragonal.
The crystals are elongated on the c-axis. Less often the crystals
are more bladed.
Location: Autunite No. 8 claim, Thomas
Range, Juab County. W 1/2 sec. 10, T. 13 S., R 11 W.
Named For and Discovered By: Named for
Dr. Alice D. Weeks of the U.S.G.S. Who discovered and described many new
uranium and van0adium minerals. She worked with Mary E. Thompson in the
Colorado Plateaus during the 1950’s extensively.
Associated Minerals: Often the
weeksite from the Autunite is coated with chalcedony (opal). It also
occurs with fluorite, sanadine, and quartz.
Other Localities: In Utah it also was
found at the Good Will Claim, (NW 1/4 sec. 36, T. 12 S., R. 12 W.) on
the west side of the Thomas Range. Weeksite is also found at eight other
locations;
1.Haiwee Reservoir, Coso Mountains,
California.
2. Jakcpile Mine, Laguana, N.M.
3. Silver Cliff Mine, Lusk, Wyoming.
4. William’s Quarry, Easton Penn.
5. Red Rock District, Lassen County,
California.
6. An abandoned mercury mine,
Chihuahua, Mexico.
7. Mammoth Mine, Presidio, Texas.
8. Red Knob Claims, Muggins Mountain,
Yuma County. Arizona.
References: Am Min., 45, 39-52 in
1960. Also in Am Min., 66, 610-625, (1981).
_______________
Gold Hill Unnamed #1CuBi-Arsenate
Description: Yellow-green to
brown-green square plates to 0.25mm. Clusters commonly coat surfaces and
fills fractures.
Crystallography:
Location: Gold Hill Mine, Tooele
County. It was first noticed at the 30’ level. Recently it has been
found in the 150’ level.
Associated Minerals: It is found
within the gossan at the 30’ level associated with conichalcite and
Ca-rich mixite. At the 150’ level it is found with connellite, tyrolite,
and azurite.
References: Min. Rec. 24, 21. (No. 1
Jan-Feb. 1993)
_______________
Gold Hill unnamed #2Ca-Arsenate
Description: Unnamed #2 occurs as pale
blue to white to colorless very small drusy coatings in fractures. It is
a hydrated calcium arsenate. The hydrate is causing problems with
analysis, which is why it is not described as yet.
Crystallography: X-ray patterns peak
at 22.8, (10), 11.4 (5), 7.63 (1), 5.00 (1), 3.35 (2), 3.00 (2), and
2.50 (1) angstroms.
Location: Gold Hill Mine, Tooele
County. Just inside the 80’ level in a drift to the right.
Associated Minerals: Found on
chrysocolla.
References: Min. Rec. 24, 21. (No. 1
Jan-Feb. 1993)
_______________
Thomas Range UnnamedCaU-Silicate
Description: It forms single, thin
needles. It is always yellow.
Crystallography:
Location: Throughout the Thomas Range,
Juab County.
Assocaited Minerals: This unnamed is
assocaited with topaz, pseudobrookite, red beryl, and garnets in the
rhyolite.
References:
_______________
Centennial Eureda Mine Unnamed #1 (Dumpite)
Hydrated Cu-Zn Arsenate
Description: Teal blue. Opaque. Termed
"Dumpite" by collectors because of where it was discovered in some
abundance.
Crystallography: Less than 1 mm,
hemispheric aggregates micacious plates
Location: Centennial Eureka Mine,
Eureka, Juab County.
Associated Minerals: Dugganite,
cesbronite, quetzalcoatlite, xocomecatlite, jensonite, liesingite,
mcalpineite, juabite, utahite, and frankhawthorneite in quartz. Also
found with olivinite, malachite, azurite, barite, and other copper
minerals.
References: Min. News. Vol. 13, No. 3,
(1997), 13. |