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


Locality type:Mine
Classification
Species:Anhydrite
Formula:CaSO4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Anhydrite 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:79586
Long-form Identifier:1:3:79586:1
GUID (UUID V4):0
Nearest other occurrences of Anhydrite
13.2km (8.2 miles) ⓘCroft Mine (Croft Magnetic Iron Mine), Peekskill, Westchester County, New York, USA
34.1km (21.2 miles) ⓘTilly Foster Iron Mine, Town of Southeast, Putnam County, New York, USA
46.6km (29.0 miles) ⓘProspect Park Quarry, Prospect Park, Passaic County, New Jersey, USA
47.7km (29.6 miles) ⓘBraen Quarry, Haledon, Passaic County, New Jersey, USA
50.6km (31.5 miles) ⓘUpper New Street Quarry, Paterson, Passaic County, New Jersey, USA
50.7km (31.5 miles) ⓘLower New Street Quarry, Paterson, Passaic County, New Jersey, USA
52.5km (32.6 miles) ⓘFranklin Mine, Franklin, Sussex County, New Jersey, USA
53.8km (33.4 miles) ⓘUnion Building and Construction Quarry, Woodland Park, Passaic County, New Jersey, USA
55.5km (34.5 miles) ⓘSterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
63.1km (39.2 miles) ⓘOrange Quarry Company Quarry (Eagle Rock Quarry), West Orange, West Orange, Essex County, New Jersey, 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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