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
East Fryeburg Quartz locality, Fryeburg, Oxford County, Maine, USA


Locality type:Occurrence
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 East Fryeburg Quartz locality, Fryeburg, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:33618
Long-form Identifier:1:3:33618:1
GUID (UUID V4):0
Nearest other occurrences of Muscovite
7.5km (4.7 miles) Jockey Cap Hill Garnet locality, Fryeburg, Oxford County, Maine, USA
8.8km (5.4 miles) Swan's Falls locality, Fryeburg, Oxford County, Maine, USA
12.3km (7.7 miles) Saltman amethyst locality, Sweden, Oxford County, Maine, USA
12.5km (7.7 miles) Foster Hill prospect, Lovell, Oxford County, Maine, USA
12.7km (7.9 miles) Beryllium Corporation prospect, Lovell, Oxford County, Maine, USA
15.4km (9.6 miles) Creeper Hill prospect, Stow, Oxford County, Maine, USA
15.5km (9.6 miles) Sabbatus Mountain prospects, Lovell, Oxford County, Maine, USA
16.3km (10.1 miles) Hurricane Mountain localities, North Conway, Conway, Carroll County, New Hampshire, USA
17.0km (10.6 miles) Willis True Quarry, Waterford, Oxford County, Maine, USA
17.2km (10.7 miles) Burnell Hill Feldspar Quarries, Waterford, Oxford County, Maine, USA
References
 
and/or  
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