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
Key East Mine, Belcher Mining District, Ferry 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 Key East Mine, Belcher Mining District, Ferry County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:987184
Long-form Identifier:1:3:987184:7
GUID (UUID V4):0
Nearest other occurrences of Muscovite
1.5km (0.9 miles) ⓘOverlook Mine, Belcher Mining District, Ferry County, Washington, USA
13.1km (8.1 miles) ⓘSherman Pass Area, Ferry County, Washington, USA
15.4km (9.6 miles) ⓘKnob Hill Mine, Republic Mining District, Ferry County, Washington, USA
16.0km (9.9 miles) ⓘMountain Lion Mine, Republic Mining District, Ferry County, Washington, USA
16.5km (10.3 miles) ⓘMorning Glory Mine, Republic Mining District, Ferry County, Washington, USA
19.7km (12.2 miles) ⓘKettle Mine, Curlew Mining District, Ferry County, Washington, USA
21.3km (13.2 miles) ⓘZalla M Mine, Ferry County, Washington, USA
23.7km (14.7 miles) ⓘSherman Creek Pegmatite, Ferry County, Washington, USA
25.0km (15.5 miles) ⓘHoodoo Mountain, Ferry County, Washington, USA
29.1km (18.1 miles) ⓘGold Dike Mine, Danville Mining District, Ferry County, Washington, USA
References
Derkey, Robert E., Joseph, Nancy L., Lasmanis, Raymond (1990, November) Metal Mines of Washington - Preliminary Report. Open File Report 90-18. Washington Division of Geology and Earth Resources
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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