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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Montmorillonite from
Anita Mine (Magee Mine; Magee & Dougherty Mine; Sage Mine), Red Mountain, Cahuilla Mining District, Riverside County, California, USA


Locality type:Mine
Classification
Species:Montmorillonite
Formula:(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Montmorillonite data
Locality Data:Click here to view Anita Mine (Magee Mine; Magee & Dougherty Mine; Sage Mine), Red Mountain, Cahuilla Mining District, Riverside County, California, USA
Data Identifiers
Mindat Occurrence Record ID:702019
Long-form Identifier:1:3:702019:3
GUID (UUID V4):0
Nearest other occurrences of Montmorillonite
32.2km (20.0 miles) ⓘOceanview Mine (Oceanview adits; new Oceanview workings), Elizabeth R. Mine (Hazel W. claim), Chief Mountain, Pala, Pala Mining District, San Diego County, California, USA
32.3km (20.1 miles) ⓘElizabeth R. Mine (Hazel W. claim), Chief Mountain, Pala, Pala Mining District, San Diego County, California, USA
32.4km (20.2 miles) ⓘChief Extension prospects, Pala Chief Mine, Chief Mountain, Pala, Pala Mining District, San Diego County, California, USA
32.9km (20.4 miles) ⓘWhite Queen Mine, Hiriart Mountain, Pala, Pala Mining District, San Diego County, California, USA
33.0km (20.5 miles) ⓘTourmaline Queen Mine, Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego County, California, USA
33.2km (20.7 miles) ⓘTourmaline King Mine, Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego County, California, USA
33.3km (20.7 miles) ⓘLittle Joe adit, Stewart Mine, Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego County, California, USA
33.4km (20.7 miles) ⓘLittle Joe No. 2 adit, Stewart Mine, Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego County, California, USA
33.6km (20.9 miles) ⓘStewart Mine, Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego County, California, USA
37.9km (23.5 miles) ⓘCarmelita Mine (Big Spring mine; Blue Gem claim; Crest Gem mine; Elinor deposit; Elinor mine; Estudillo mine; French Pete mine; MS 6130; Peter Cabat mine), Chihuahua Valley, Warner Springs Mining District, San Diego County, California, USA
References
San Diego Mining Company (1998), Anita mine field analysis, Jan.
 
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