Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Stibnite from
Kramer Borate deposit, Boron, Kern County, California, USA


Locality type:Deposit
Classification
Species:Stibnite
Formula:Sb2S3
Comments:Needle-like crystals and clusters of shiny material occur throughout the deposit; specifically, it occurs as minute spherulites in kernite and borax.
Habit:Acicular
Colour:Black
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Berthierite
Borax
Gerstleyite
Kernite
Associated Minerals Based on Photo Data:
Colemanite2
Data
Mineral Data:Click here to view Stibnite data
Locality Data:Click here to view Kramer Borate deposit, Boron, Kern County, California, USA
Data Identifiers
Mindat Occurrence Record ID:327685
Long-form Identifier:1:3:327685:3
GUID (UUID V4):0
Localities for Stibnite in this Region
Rio Tinto Borax Mine, Kramer Borate deposit, Boron, Kern County, California, USA
Baker Mine, Rio Tinto Borax Mine, Kramer Borate deposit, Boron, Kern County, California, USA
Nearest other occurrences of Stibnite
0.8km (0.5 miles) Rio Tinto Borax Mine, Kramer Borate deposit, Boron, Kern County, California, USA
31.3km (19.4 miles) Atolia Mining District, San Bernardino County, California, USA
35.1km (21.8 miles) Mispah-Montana claims (Montana Fraction claim; Mispah Extension claim), Johannesburg, Johannesburg District, Kern County, California, USA
35.2km (21.9 miles) St. Lawrence Mine (St. Lawrence Rand Mine; K. C. N. Mine; Isabella Mine), Randsburg, Kern County, California, USA
35.6km (22.1 miles) Kelly Mine, Randsburg, Kern County, California, USA
37.2km (23.1 miles) Johannesburg area, Johannesburg Mining District, San Bernardino County, California, USA
46.1km (28.6 miles) Golden Queen Mine, Soledad Mountain project (Victory), Soledad Mountain deposit, Soledad Mountain (Butte Mountain), Mojave, Mojave-Rosamond Mining District (Mojave Mining District), Kern County, California, USA
46.5km (28.9 miles) Wegman group (Grace group; Eureka; Karma vein; Karma claim; Intention Junction claim; Ajax claim), Soledad Mountain project (Victory), Soledad Mountain deposit, Soledad Mountain (Butte Mountain), Mojave, Mojave-Rosamond Mining District (Mojave Mining District), Kern County, California, USA
63.6km (39.5 miles) Mammoth Eureka Mine, Sugarloaf Mountain, Loraine Mining District, Kern County, California, USA
66.3km (41.2 miles) St. John Mine, Sorrell Peak, Piute Mountain District (Mount Sinai District), Piute Mountains, Kern County, California, USA
References
 
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