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
A.C. Perham Quarry, West Paris, Oxford County, Maine, USA


Locality type:Quarry
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 A.C. Perham Quarry, West Paris, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:35908
Long-form Identifier:1:3:35908:5
GUID (UUID V4):0
Nearest other occurrences of Muscovite
3.1km (1.9 miles) ⓘOhtonen Quarry, Greenwood, Oxford County, Maine, USA
3.4km (2.1 miles) ⓘSki Pike Quarry, West Paris, Oxford County, Maine, USA
3.7km (2.3 miles) ⓘCobble Hill Quarry (George Howe prospect), West Paris, Oxford County, Maine, USA
3.8km (2.3 miles) ⓘSnow Falls, West Paris, Oxford County, Maine, USA
4.6km (2.9 miles) ⓘHeikkinen Quarry, Greenwood, Oxford County, Maine, USA
4.9km (3.1 miles) ⓘWitt Hill Chrysoberyl locality, Greenwood, Oxford County, Maine, USA
5.3km (3.3 miles) ⓘNubble Quarry, Greenwood, Oxford County, Maine, USA
5.3km (3.3 miles) ⓘMustonen Ledge prospect, Greenwood, Oxford County, Maine, USA
5.3km (3.3 miles) ⓘOutback prospect (Gross prospect), Greenwood, Oxford County, Maine, USA
5.4km (3.3 miles) ⓘHayes Ledge Quarries (East and West), Greenwood, Oxford County, Maine, USA
References
Cameron, Eugene N.
Cameron, Eugene N., Larrabee, David M., McNair, Andrew H., Page, James J., Stewart, Glen W., Shainin, Vincent E. (1954) Pegmatite Investigations, 1942-45, in New England. Geological Survey Professional Paper 255. US Geological Survey doi:10.3133/pp255
 
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