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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Muscovite from
Little King Mine, Blue Grouse Mountain Area, Loon Lake Mining District, Stevens County, Washington, 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 Little King Mine, Blue Grouse Mountain Area, Loon Lake Mining District, Stevens County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:150856
Long-form Identifier:1:3:150856:7
GUID (UUID V4):0
Nearest other occurrences of Muscovite
0.8km (0.5 miles) ⓘNew Blue Grouse Mine, Blue Grouse Mountain Area, Loon Lake Mining District, Stevens County, Washington, USA
1.2km (0.7 miles) ⓘTungsten King Mine, Blue Grouse Mountain Area, Loon Lake Mining District, Stevens County, Washington, USA
1.3km (0.8 miles) ⓘOld Blue Grouse Mine, Blue Grouse Mountain Area, Loon Lake Mining District, Stevens County, Washington, USA
33.7km (20.9 miles) ⓘCannon Mine, Calispell Peak, Stevens County, Washington, USA
36.2km (22.5 miles) ⓘMount Spokane area, Mount Spokane, Spokane County, Washington, USA
36.2km (22.5 miles) ⓘKootenai Conquest Mine, Newport Mining District, Pend Oreille County, Washington, USA
36.7km (22.8 miles) ⓘAnaconda prospect, Mount Kit Carson, Spokane County, Washington, USA
37.2km (23.1 miles) ⓘEagleton Prospect, Calispell Peak, Stevens County, Washington, USA
41.4km (25.7 miles) ⓘSilver Plume Prospect, Pend Oreille County, Washington, USA
44.3km (27.5 miles) ⓘGermania Mine, Springdale Mining District, Stevens County, Washington, USA
References
Derkey, Robert E., Joseph, Nancy L., Lasmanis, Raymond (1990, November) Metal Mines of Washington - Preliminary Report. Open File Report 90-18. Washington Division of Geology and Earth Resources
 
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