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
Peggy Peak, Shoshone County, Idaho, USA


Locality type:Peak
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 Peggy Peak, Shoshone County, Idaho, USA
Data Identifiers
Mindat Occurrence Record ID:458908
Long-form Identifier:1:3:458908:2
GUID (UUID V4):0
Nearest other occurrences of Muscovite
4.7km (2.9 miles) ⓘAngle Point, Shoshone County, Idaho, USA
8.3km (5.1 miles) ⓘGranite Peak prospects, St. Joe Mining District, Shoshone County, Idaho, USA
25.0km (15.6 miles) ⓘMonumental Ridge Kyanite Deposit, Sliderock Mining District, Shoshone County, Idaho, USA
28.7km (17.8 miles) ⓘBlackdome occurrence, Goat Mountain Mining District, Shoshone County, Idaho, USA
38.1km (23.7 miles) ⓘMountain Mica occurrence, Sliderock Mining District, Shoshone County, Idaho, USA
40.3km (25.0 miles) ⓘCedars-Kelley Creek Sandstone (3), Clearwater County, Idaho, USA
43.1km (26.8 miles) ⓘTri-State Cedar Corporation prospect, Black Prince Mining District, Shoshone County, Idaho, USA
43.9km (27.3 miles) ⓘCedars-Kelley Creek Sandstone (2), Clearwater County, Idaho, USA
44.3km (27.5 miles) ⓘCedars-Kelley Creek Sandstone (4), Clearwater County, Idaho, USA
45.3km (28.2 miles) ⓘReindeer Queen Mine, Hunter Mining District, Shoshone County, Idaho, USA
References
Ream, Lanny R. (2004) Idaho Minerals (2nd ed.) L. R. Ream Publishing.
 
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