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
Forest of Dean Mine, Fort Montgomery, Town of Highlands, Orange County, New York, USA


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Forest of Dean Mine, Fort Montgomery, Town of Highlands, Orange County, New York, USA
Data Identifiers
Mindat Occurrence Record ID:79595
Long-form Identifier:1:3:79595:9
GUID (UUID V4):0
Nearest other occurrences of Quartz
4.9km (3.0 miles) ⓘBear Mountain, Bear Mountain State Park, Orange County, New York, USA
5.2km (3.2 miles) ⓘCranberry Mine, Harriman State Park, Orange County, New York, USA
6.0km (3.7 miles) ⓘLewis Mine (Dunn Mine), Harriman State Park, Orange County, New York, USA
6.2km (3.8 miles) ⓘAnthony's Nose, Cortlandt Township, Westchester County, New York, USA
7.9km (4.9 miles) ⓘPhilips Mine (Philips Pyrite Mine; Anthony's Nose Pyrrhotite Mine), Town of Philipstown, Putnam County, New York, USA
11.0km (6.9 miles) ⓘGreenwood mine (Patterson mine), Town of Tuxedo, Orange County, New York, USA
11.1km (6.9 miles) ⓘMount Taurus Quarry, Town of Philipstown, Putnam County, New York, USA
11.4km (7.1 miles) ⓘHasenclever Mine, Harriman State Park, Rockland County, New York, USA
11.5km (7.1 miles) ⓘNickel Mine (Bulson lot), Grape Swamp Mountain, Harriman State Park, Rockland County, New York, USA
11.8km (7.3 miles) ⓘDickey Brook, Peekskill, Westchester County, New York, USA
References
Clarke, John M. (1921, September) The Magnetite Iron Deposits of Southeastern New York. New York State Museum Bulletin Vol. 249-250. The University of the State of New YorkIndex Map, 103.
Manchester, James G. (1931) The Minerals of New York City and its Environs. Bulletin of the New York Mineralogical Club Vol. 3 (1). New York Mineralogical Clubp.72
 
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