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
Cedars-Kelley Creek Sandstone (2), Clearwater County, Idaho, USA


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 Cedars-Kelley Creek Sandstone (2), Clearwater County, Idaho, USA
Data Identifiers
Mindat Occurrence Record ID:445771
Long-form Identifier:1:3:445771:8
GUID (UUID V4):0
Nearest other occurrences of Muscovite
1.9km (1.2 miles) ⓘCedars-Kelley Creek Sandstone (4), Clearwater County, Idaho, USA
3.3km (2.1 miles) ⓘCedars-Kelley Creek Sandstone (1), Clearwater County, Idaho, USA
5.7km (3.5 miles) ⓘCedars-Kelley Creek Sandstone (3), Clearwater County, Idaho, USA
8.0km (5.0 miles) ⓘKelly Creek Sandstone Occurrence, Clearwater County, Idaho, USA
23.0km (14.3 miles) ⓘSnowbird Mine, Cedar Creek Mining District, Mineral County, Montana, USA
36.4km (22.6 miles) ⓘGranite Peak prospects, St. Joe Mining District, Shoshone County, Idaho, USA
40.7km (25.3 miles) ⓘAngle Point, Shoshone County, Idaho, USA
43.9km (27.3 miles) ⓘPeggy Peak, Shoshone County, Idaho, USA
59.9km (37.2 miles) ⓘBlackdome occurrence, Goat Mountain Mining District, Shoshone County, Idaho, USA
60.0km (37.3 miles) ⓘMonumental Ridge Kyanite Deposit, Sliderock Mining District, Shoshone County, Idaho, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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