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Muscovite from
Sally Cavanaugh Occurrence, Hill City Mining District, Pennington County, South Dakota, USA


Locality type:Occurrence
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 Sally Cavanaugh Occurrence, Hill City Mining District, Pennington County, South Dakota, USA
Data Identifiers
Mindat Occurrence Record ID:384027
Long-form Identifier:1:3:384027:6
GUID (UUID V4):0
Nearest other occurrences of Muscovite
0.8km (0.5 miles) ⓘOreville, Custer County, South Dakota, USA
1.6km (1.0 miles) ⓘClara Belle (Forest City; Golden Arrow), Hill City Mining District, Pennington County, South Dakota, USA
2.4km (1.5 miles) ⓘTin Queen Mine (White Blowout Mine), Hill City Mining District, Pennington County, South Dakota, USA
2.4km (1.5 miles) ⓘCheyenne Lode Prospect, Unorganized mining district [1], Custer County, South Dakota, USA
2.7km (1.7 miles) ⓘHigh Climb Mine, Custer, Custer Mining District, Custer County, South Dakota, USA
2.9km (1.8 miles) ⓘSky Lode Occurrence, Unorganized mining district [1], Custer County, South Dakota, USA
3.1km (2.0 miles) ⓘU.S. highways 16/385 & State route 87 intersection area, Oreville Mining District, Pennington County, South Dakota, USA
3.4km (2.1 miles) ⓘEureka Lode Prospect (Hultz), Custer County, South Dakota, USA
3.8km (2.4 miles) ⓘReinbold Claim (Tungsten No. 1-3 Claims), Hill City Mining District, Pennington County, South Dakota, USA
4.1km (2.5 miles) ⓘKirka Claim (Downing Claim), Unorganized mining district [1], Custer County, South Dakota, USA
References
USGS Bull 380D
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
and/or  
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