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
Eagleton Prospect, Calispell Peak, Stevens County, Washington, USA


Locality type:Prospect
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 Eagleton Prospect, Calispell Peak, Stevens County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:94864
Long-form Identifier:1:3:94864:9
GUID (UUID V4):0
Nearest other occurrences of Muscovite
3.8km (2.3 miles) ⓘCannon Mine, Calispell Peak, Stevens County, Washington, USA
23.8km (14.8 miles) ⓘSilver Plume Prospect, Pend Oreille County, Washington, USA
26.8km (16.7 miles) ⓘSouth Baldy Mountain, Pend Oreille County, Washington, USA
34.4km (21.4 miles) ⓘState Line Occurrence, Priest Lake Mining District, Bonner County, Idaho, USA
35.8km (22.2 miles) ⓘKootenai Conquest Mine, Newport Mining District, Pend Oreille County, Washington, USA
37.0km (23.0 miles) ⓘNew Blue Grouse Mine, Blue Grouse Mountain Area, Loon Lake Mining District, Stevens County, Washington, USA
37.2km (23.1 miles) ⓘLittle King Mine, Blue Grouse Mountain Area, Loon Lake Mining District, Stevens County, Washington, USA
37.5km (23.3 miles) ⓘOld Blue Grouse Mine, Blue Grouse Mountain Area, Loon Lake Mining District, Stevens County, Washington, USA
37.6km (23.3 miles) ⓘTungsten King Mine, Blue Grouse Mountain Area, Loon Lake Mining District, Stevens County, Washington, USA
44.9km (27.9 miles) ⓘLakeview Prospect, Priest Lake Mining District, Bonner County, Idaho, USA
References
Cannon, Bart (1975) Minerals of Washington. Cordilleran. 184 pp.p.58
 
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