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
Blackdome occurrence, Goat Mountain Mining District, Shoshone County, Idaho, 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 Blackdome occurrence, Goat Mountain Mining District, Shoshone County, Idaho, USA
Data Identifiers
Mindat Occurrence Record ID:445151
Long-form Identifier:1:3:445151:8
GUID (UUID V4):0
Nearest other occurrences of Muscovite
5.6km (3.5 miles) ⓘMonumental Ridge Kyanite Deposit, Sliderock Mining District, Shoshone County, Idaho, USA
20.1km (12.5 miles) ⓘMountain Mica occurrence, Sliderock Mining District, Shoshone County, Idaho, USA
28.7km (17.8 miles) ⓘPeggy Peak, Shoshone County, Idaho, USA
29.6km (18.4 miles) ⓘGranite Peak prospects, St. Joe Mining District, Shoshone County, Idaho, USA
30.7km (19.1 miles) ⓘTri-State Cedar Corporation prospect, Black Prince Mining District, Shoshone County, Idaho, USA
33.0km (20.5 miles) ⓘAngle Point, Shoshone County, Idaho, USA
37.5km (23.3 miles) ⓘIdaho Garnet Abrasive placer, Shoshone County, Idaho, USA
40.4km (25.1 miles) ⓘEmerald Creek, Latah County, Idaho, USA
52.0km (32.3 miles) ⓘReindeer Queen Mine, Hunter Mining District, Shoshone County, Idaho, USA
56.1km (34.9 miles) ⓘSnowstorm Mine, Hunter Mining District, Shoshone County, Idaho, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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