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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Marcasite from
Inwood Valley (Inwood), Manhattan (New York County), New York City, New York, USA


Locality type:Valley
Classification
Species:Marcasite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Marcasite data
Locality Data:Click here to view Inwood Valley (Inwood), Manhattan (New York County), New York City, New York, USA
Data Identifiers
Mindat Occurrence Record ID:80306
Long-form Identifier:1:3:80306:3
GUID (UUID V4):0
Nearest other occurrences of Marcasite
0.6km (0.3 miles) ⓘ207th Street & Broadway, Manhattan (New York County), New York City, New York, USA
1.1km (0.7 miles) ⓘHarlem Ship Canal, Manhattan (New York County), New York City, New York, USA
3.0km (1.9 miles) ⓘ172nd Street & Grand Concourse, The Bronx (Bronx County), New York City, New York, USA
4.0km (2.5 miles) ⓘInterstate 95 and George Washington Bridge Lower Level roadcut, Fort Lee, Bergen County, New Jersey, USA
44.9km (27.9 miles) ⓘHogencamp Mine, Town of Tuxedo, Orange County, New York, USA
53.1km (33.0 miles) ⓘCliffwood Beach, Aberdeen Township, Monmouth County, New Jersey, USA
54.0km (33.6 miles) ⓘRocky Hill, Orange County, New York, USA
58.3km (36.2 miles) ⓘVan Horne's pit, New Brunswick, Middlesex County, New Jersey, USA
58.4km (36.3 miles) ⓘQuigley pit, Sayreville, Middlesex County, New Jersey, USA
58.4km (36.3 miles) ⓘEdgar's pit, Sayreville, Middlesex County, New Jersey, USA
References
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.26
 
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