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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Tourmaline from
Deep Canyon, Tungsten Hills, West Bishop, Bishop Mining District (Tungsten Hills Mining District), Inyo County, California, USA


Locality type:Canyon
Classification
Species:'Tourmaline' (not an IMA approved species)
Formula:AD3G6(T6O18)(BO3)3X3Z
Comments:Occurs in a metamorphosed sandstone.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tourmaline data
Locality Data:Click here to view Deep Canyon, Tungsten Hills, West Bishop, Bishop Mining District (Tungsten Hills Mining District), Inyo County, California, USA
Data Identifiers
Mindat Occurrence Record ID:668307
Long-form Identifier:1:3:668307:8
GUID (UUID V4):0
Nearest other occurrences of Tourmaline
33.1km (20.6 miles) ⓘChampion Mine, White Mountain Peak, White Mountains, Mono County, California, USA
41.3km (25.7 miles) ⓘWhite Divide, Mount Goddard, Kings Canyon National Park, Fresno County, California, USA
81.8km (50.8 miles) ⓘEsquire No. 7 claim, Big Creek, Big Creek-Rush Creek Mining District, Fresno County, California, USA
91.8km (57.0 miles) ⓘWinchester Mine, Green Mountain, Big Dry Creek Mining District, Fresno County, California, USA
93.3km (58.0 miles) ⓘMineral Jackpot prospect, Marietta Mining District, Mineral County, Nevada, USA
95.3km (59.2 miles) ⓘCandelaria Silver Mine, Candelaria Mining District, Mineral County, Nevada, USA
97.0km (60.3 miles) ⓘOld Soldier Mine, Drum Valley, Tulare County, California, USA
97.2km (60.4 miles) ⓘDrum Valley, Tulare County, California, USA
References
Knopf, Adolf (1917a), Tungsten deposits of northwestern Inyo County California: USGS Bulletin 640: 233
Murdoch, Joseph; Webb, Robert Wallace (1966) Minerals of California, Centennial Volume (1866-1966) - California Division of Mines and Geology, Bulletin 189. California Division of Mines and Geology. 559 pp.
 
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