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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Quartz from
Mohegan Quarries, Peekskill, Westchester County, New York, USA


Locality type:Quarry
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Mohegan Quarries, Peekskill, Westchester County, New York, USA
Data Identifiers
Mindat Occurrence Record ID:98647
Long-form Identifier:1:3:98647:2
GUID (UUID V4):0
Nearest other occurrences of Quartz
2.9km (1.8 miles) ⓘDickey Brook, Peekskill, Westchester County, New York, USA
4.2km (2.6 miles) ⓘCrugers Emery Mine, Montrose, Cortlandt Township, Westchester County, New York, USA
4.8km (3.0 miles) ⓘPhilips Mine (Philips Pyrite Mine; Anthony's Nose Pyrrhotite Mine), Town of Philipstown, Putnam County, New York, USA
6.0km (3.7 miles) ⓘAnthony's Nose, Cortlandt Township, Westchester County, New York, USA
6.2km (3.8 miles) ⓘVerplanck Point, Verplanck, Cortlandt Township, Westchester County, New York, USA
7.4km (4.6 miles) ⓘTomkins Cove Quarry, Stony Point (Woodbury), Rockland County, New York, USA
7.9km (4.9 miles) ⓘBear Mountain, Bear Mountain State Park, Orange County, New York, USA
10.1km (6.3 miles) ⓘCroft Mine, Oscawana Corners, Town of Putnam Valley, Putnam County, New York, USA
11.3km (7.0 miles) ⓘCranberry Mine, Harriman State Park, Orange County, New York, USA
12.2km (7.6 miles) ⓘForest of Dean Mine, Fort Montgomery, Town of Highlands, Orange County, New York, USA
References
Rocks & Min.: 6:98-99.
 
and/or  
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