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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Gypsum from
Oliver claim (Neglect claim; Oliver Consolidated claim), Ryan, Furnace Creek Mining District (Furnace Creek Borate Mining District), Inyo County, California, USA


Locality type:Claim
Classification
Species:Gypsum
Formula:CaSO4 · 2H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Gypsum data
Locality Data:Click here to view Oliver claim (Neglect claim; Oliver Consolidated claim), Ryan, Furnace Creek Mining District (Furnace Creek Borate Mining District), Inyo County, California, USA
Data Identifiers
Mindat Occurrence Record ID:618016
Long-form Identifier:1:3:618016:4
GUID (UUID V4):0
Nearest other occurrences of Gypsum
2.5km (1.6 miles) ⓘBillie Mine, Ryan, Furnace Creek Mining District (Furnace Creek Borate Mining District), Inyo County, California, USA
4.1km (2.5 miles) ⓘHard Scramble claim, Ryan, Furnace Creek Mining District (Furnace Creek Borate Mining District), Inyo County, California, USA
10.2km (6.3 miles) ⓘCorkscrew Canyon Mine, Ryan, Furnace Creek Mining District (Furnace Creek Borate Mining District), Inyo County, California, USA
11.6km (7.2 miles) ⓘMott prospect (Mott Colemanite prospect; Mott open cut), Twenty Mule Team Canyon, Furnace Creek Mining District (Furnace Creek Borate Mining District), Inyo County, California, USA
15.6km (9.7 miles) ⓘBadwater, Inyo County, California, USA
18.7km (11.7 miles) ⓘGower Gulch Mine, Black Mountains, Amargosa Range, Inyo County, California, USA
24.2km (15.0 miles) ⓘEagle Borax Spring, Inyo County, California, USA
24.8km (15.4 miles) ⓘAmargosa Valley, Inyo County, California, USA
47.0km (29.2 miles) ⓘWild Rose Antimony deposits (Wild Rose Antimony Mine; Wildrose Antimony Mine; Wildrose Mine; Antimonium; Wild Rose Canyon Antimony deposits), Wildrose Peak, Wildrose Mining District (Wild Rose Mining District), Panamint Range (Panamint Mountains), Inyo County, California, USA
51.9km (32.2 miles) ⓘO. B. Joyful Mine (Thurman; O. B. J.; O.B.J. Mine; J. Mine; Tyler and Aster; Panamint Mines Company), Wildrose Spring, Wildrose Mining District (Wild Rose Mining District), Panamint Range (Panamint Mountains), Inyo County, California, USA
References
Erd, Richard C., McAllister, James F., Vlisidis, and Angelina C. (1970) Wardsmithite, 5CaO·MgO·12B2O3·30H2O, new borate mineral from the Death Valley Region, California. American Mineralogist, 55 (3-4) 349-357
 
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