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
Starr Mine, Conconully 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 Starr Mine, Conconully Mining District, Okanogan County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:987352
Long-form Identifier:1:3:987352:0
GUID (UUID V4):0
Nearest other occurrences of Muscovite
16.1km (10.0 miles) ⓘBuckeye Claim, Wannacut Lake Mining District, Okanogan County, Washington, USA
18.2km (11.3 miles) ⓘTunk Creek, Okanogan County, Washington, USA
22.2km (13.8 miles) ⓘMineral Hill Group, Conconully Mining District, Okanogan County, Washington, USA
22.8km (14.2 miles) ⓘBullfrog Mine, Nighthawk Mining District, Okanogan County, Washington, USA
25.4km (15.8 miles) ⓘDorian Prospect, Conconully Mining District, Okanogan County, Washington, USA
26.9km (16.7 miles) ⓘNew Hope Claims, Nighthawk Mining District, Okanogan County, Washington, USA
27.7km (17.2 miles) ⓘBrown Lake Prospect, Okanogan County, Washington, USA
28.0km (17.4 miles) ⓘLittle Chopaka Group, Nighthawk Mining District, Okanogan County, Washington, USA
28.7km (17.8 miles) ⓘArlington Mine, Ruby Hill, Conconully Mining District, Okanogan County, Washington, USA
32.6km (20.2 miles) ⓘKelsey Prospect, Oroville Mining District, Okanogan 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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