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
Bullfrog Mine, Nighthawk Mining District, Okanogan 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 Bullfrog Mine, Nighthawk Mining District, Okanogan County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:1666109
Long-form Identifier:1:3:1666109:7
GUID (UUID V4):0
Nearest other occurrences of Muscovite
6.6km (4.1 miles) ⓘNew Hope Claims, Nighthawk Mining District, Okanogan County, Washington, USA
7.4km (4.6 miles) ⓘLittle Chopaka Group, Nighthawk Mining District, Okanogan County, Washington, USA
8.4km (5.2 miles) ⓘBuckeye Claim, Wannacut Lake Mining District, Okanogan County, Washington, USA
11.3km (7.0 miles) ⓘKelsey Prospect, Oroville Mining District, Okanogan County, Washington, USA
11.9km (7.4 miles) ⓘDividend-Lakeview Mine, Osoyoos, Osoyoos Mining Division, British Columbia, Canada
22.5km (14.0 miles) ⓘMak Siccar Mine, Keremeos, Osoyoos Mining Division, British Columbia, Canada
22.8km (14.2 miles) ⓘStarr Mine, Conconully Mining District, Okanogan County, Washington, USA
30.6km (19.0 miles) ⓘMorning Star Mine, Fairview Camp, Oliver, Osoyoos Mining Division, British Columbia, Canada
31.1km (19.3 miles) ⓘGypo Mine, Osoyoos Mining Division, British Columbia, Canada
31.4km (19.5 miles) ⓘStemwinder Mine, Fairview Camp, Oliver, Osoyoos Mining Division, British Columbia, Canada
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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