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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Arsenopyrite from
Westinghouse Quarry, Buckfield, Oxford County, Maine, USA


Locality type:Quarry
Classification
Species:Arsenopyrite
Formula:FeAsS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Arsenopyrite data
Locality Data:Click here to view Westinghouse Quarry, Buckfield, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:1025
Long-form Identifier:1:3:1025:2
GUID (UUID V4):0
Nearest other occurrences of Arsenopyrite
3.4km (2.1 miles) ⓘBennett Quarry, Buckfield, Oxford County, Maine, USA
5.0km (3.1 miles) ⓘBessey Quarry, Buckfield, Oxford County, Maine, USA
6.1km (3.8 miles) ⓘMount Marie Quarries, Paris, Oxford County, Maine, USA
6.2km (3.8 miles) ⓘMount Mica Quarry, Paris, Oxford County, Maine, USA
6.2km (3.9 miles) ⓘRyerson Hill Quarries, Paris, Oxford County, Maine, USA
6.5km (4.1 miles) ⓘMount Rubellite Quarries, Mount Rubellite, Hebron, Oxford County, Maine, USA
9.3km (5.8 miles) ⓘMount Tom Spar Quarry, Sumner, Oxford County, Maine, USA
9.4km (5.9 miles) ⓘWhispering Pines Quarry, Paris, Oxford County, Maine, USA
17.2km (10.7 miles) ⓘSturtevant Quarry, Minot, Androscoggin County, Maine, USA
17.2km (10.7 miles) ⓘLaFlamme Quarry, Minot, Androscoggin County, Maine, USA
References
Rocks & Min.: 62:403-404.
 
and/or  
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