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
Elizabeth R. Mine (Hazel W. claim), Chief Mountain, Pala, Pala Mining District, San Diego County, California, USA


06375770017367032551811.jpg
Montmorillonite, etc.

Elizabeth R. Mine, Chief Mountain, Pala, Pala Mining District, San Diego County, California, USA
08966590017272012094136.jpg
Montmorillonite, etc.

Elizabeth R. Mine, Chief Mountain, Pala, Pala Mining District, San Diego County, California, USA
03942180017272012128185.jpg
Montmorillonite

Elizabeth R. Mine, Chief Mountain, Pala, Pala Mining District, San Diego County, California, USA
05208350017367032567435.jpg
Montmorillonite

Elizabeth R. Mine, Chief Mountain, Pala, Pala Mining District, San Diego County, California, USA
03138090017363403878878.jpg
Montmorillonite, etc.

Elizabeth R. Mine, Chief Mountain, Pala, Pala Mining District, San Diego County, California, USA
08966590017272012094136.jpg
Montmorillonite, etc.

Elizabeth R. Mine, Chief Mountain, Pala, Pala Mining District, San Diego County, California, USA
02666800017367032578333.jpg
Montmorillonite

Elizabeth R. Mine, Chief Mountain, Pala, Pala Mining District, San Diego County, California, USA
05208350017367032567435.jpg
Montmorillonite

Elizabeth R. Mine, Chief Mountain, Pala, Pala Mining District, San Diego County, California, USA
07567700017366320462010.jpg
Montmorillonite, etc.

Elizabeth R. Mine, Chief Mountain, Pala, Pala Mining District, San Diego County, California, USA
08966590017272012094136.jpg
Montmorillonite, etc.

Elizabeth R. Mine, Chief Mountain, Pala, Pala Mining District, San Diego County, California, USA
03942180017272012128185.jpg
Montmorillonite

Elizabeth R. Mine, Chief Mountain, Pala, Pala Mining District, San Diego County, California, USA
00610310017367032589280.jpg
Montmorillonite

Elizabeth R. Mine, Chief Mountain, Pala, Pala Mining District, San Diego 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
Associated Minerals Based on Photo Data:
Quartz3
Albite2
- var Cleavelandite1
Eosphorite1
Data
Mineral Data:Click here to view Montmorillonite data
Locality Data:Click here to view Elizabeth R. Mine (Hazel W. claim), Chief Mountain, Pala, Pala Mining District, San Diego County, California, USA
Photo GalleryView Gallery (3 photos)
Data Identifiers
Mindat Occurrence Record ID:353151
Long-form Identifier:1:3:353151:8
GUID (UUID V4):0
Localities for Montmorillonite in this Region
Oceanview Mine (Oceanview adits; new Oceanview workings), Elizabeth R. Mine (Hazel W. claim), Chief Mountain, Pala, Pala Mining District, San Diego County, California, USA
Nearest other occurrences of Montmorillonite
0.1km (0.1 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
0.2km (0.1 miles) ⓘChief Extension prospects, Pala Chief Mine, Chief Mountain, Pala, Pala Mining District, San Diego County, California, USA
1.2km (0.7 miles) ⓘLittle Joe adit, Stewart Mine, Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego County, California, USA
1.2km (0.7 miles) ⓘLittle Joe No. 2 adit, Stewart Mine, Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego County, California, USA
1.4km (0.8 miles) ⓘStewart Mine, Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego County, California, USA
1.6km (1.0 miles) ⓘTourmaline Queen Mine, Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego County, California, USA
1.9km (1.2 miles) ⓘWhite Queen Mine, Hiriart Mountain, Pala, Pala Mining District, San Diego County, California, USA
2.1km (1.3 miles) ⓘTourmaline King Mine, Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego County, California, USA
30.7km (19.1 miles) ⓘHimalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
32.3km (20.1 miles) ⓘAnita Mine (Magee Mine; Magee & Dougherty Mine; Sage Mine), Red Mountain, Cahuilla Mining District, Riverside County, California, USA
References
Jeffrey E. Patterson analysis
 
and/or  
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