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Montmorillonite from
Hercules Mine (Beryl claim; Hercules claim; Hercules group; Hercules prospect), Ramona, Ramona 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
Comments:Occurs only from pocket pegmatite (open cavities or 'frozen' cavities).
Abundance at site:Rare
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Montmorillonite data
Locality Data:Click here to view Hercules Mine (Beryl claim; Hercules claim; Hercules group; Hercules prospect), Ramona, Ramona Mining District, San Diego County, California, USA
Data Identifiers
Mindat Occurrence Record ID:689537
Long-form Identifier:1:3:689537:2
GUID (UUID V4):0
Nearest other occurrences of Montmorillonite
0.2km (0.1 miles) ⓘLittle Three Mine, Little Three Mine area, Ramona, Ramona Mining District, San Diego County, California, USA
0.2km (0.1 miles) ⓘLookout Mine (Hercules group; Lookout prospect; Upper Hercules mine), Ramona, Ramona Mining District, San Diego County, California, USA
1.3km (0.8 miles) ⓘA.B.C. Mine (ABC Mine; Daggett & MacIntosh; Daggett group), Ramona, Ramona Mining District, San Diego County, California, USA
17.1km (10.6 miles) ⓘHimalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
35.4km (22.0 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
42.1km (26.2 miles) ⓘWhite Queen Mine, Hiriart Mountain, Pala, Pala Mining District, San Diego County, California, USA
43.8km (27.2 miles) ⓘStewart Mine, Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego County, California, USA
43.9km (27.3 miles) ⓘChief Extension prospects, Pala Chief Mine, Chief Mountain, Pala, Pala Mining District, San Diego County, California, USA
44.0km (27.3 miles) ⓘElizabeth R. Mine (Hazel W. claim), Chief Mountain, Pala, Pala Mining District, San Diego County, California, USA
44.0km (27.3 miles) ⓘLittle Joe No. 2 adit, Stewart Mine, Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego County, California, USA
References
Foord, Eugene E., Martin, Robert F., Spaulding, Louis B., Mason, Roger A. (1989) Mineralogy and Paragenesis of the Little Three Mine Pegmatites, Ramona District, San Diego County, California. The Mineralogical Record, 20 (2) 101-127p.106
 
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