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Muscovite from
Mesa Grande Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA


Locality type:Mine
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Mesa Grande Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
Data Identifiers
Mindat Occurrence Record ID:429424
Long-form Identifier:1:3:429424:5
GUID (UUID V4):0
Nearest other occurrences of Muscovite
0.6km (0.4 miles) ⓘHimalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
0.9km (0.5 miles) ⓘBraye Mine, Himalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
0.9km (0.5 miles) ⓘCota Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
1.2km (0.8 miles) ⓘPayne Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
2.4km (1.5 miles) ⓘTrail Mine, Mesa Grande, Mesa Grande Mining District, San Diego County, California, USA
2.7km (1.7 miles) ⓘEsmeralda Mine, Mesa Grande, Mesa Grande Mining District, San Diego County, California, USA
13.4km (8.3 miles) ⓘMaple Lode Mine (Maple claim), Aguanga Mountain, Oak Grove, Aguanga Mountain Mining District (Smith Mountain Mining District), San Diego County, California, USA
14.2km (8.8 miles) ⓘClark Extension prospect, Ditch Mountain, Rincon, Rincon Mining District, San Diego County, California, USA
14.3km (8.9 miles) ⓘMountain Lily Mine (Emeralite No. 2 claim; Gem Mine No. 1 claim; Ware mine), Aguanga Mountain, Oak Grove, Aguanga Mountain Mining District (Smith Mountain Mining District), San Diego County, California, USA
14.4km (9.0 miles) ⓘCalac prospect, Rincon Mountain, Rincon, Rincon Mining District, San Diego County, California, USA
References
San Diego Mining Company 1996. Gem Hill exploration program
Cordova, E. M., Ritchie, S. L., Rose, C. H., Wilson, R.
Mesa Grande mine field analysis and valuable mineral discovery, Winter 1995-96.
 
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