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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Pyrite from
Daniel Horton Mine (Horton Mine), Randolph Township, Morris County, New Jersey, USA


Locality type:Mine
Classification
Species:Pyrite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view Daniel Horton Mine (Horton Mine), Randolph Township, Morris County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:79661
Long-form Identifier:1:3:79661:1
GUID (UUID V4):0
Nearest other occurrences of Pyrite
1.6km (1.0 miles) ⓘGeorge Mine (Logan Mine), Ironia (Calais), Randolph Township, Morris County, New Jersey, USA
2.6km (1.6 miles) ⓘDavid Horton Mine, Mount Freedom, Randolph Township, Morris County, New Jersey, USA
4.7km (2.9 miles) ⓘCanfield Phosphate Mine, Mine Hill, Morris County, New Jersey, USA
6.7km (4.2 miles) ⓘKean Mine, Chester Township, Morris County, New Jersey, USA
6.9km (4.3 miles) ⓘScrub Oaks Mine, Mine Hill, Morris County, New Jersey, USA
7.0km (4.3 miles) ⓘByram Mine, Mine Hill, Morris County, New Jersey, USA
7.0km (4.3 miles) ⓘCorwin Mine, Mine Hill, Morris County, New Jersey, USA
7.0km (4.3 miles) ⓘSampson Mine (Samson Mine; Skellenger Mine), Chester Township, Morris County, New Jersey, USA
7.0km (4.3 miles) ⓘConnet Mine (Waterstreet Mine), Brookside, Mendham Township, Morris County, New Jersey, USA
7.5km (4.6 miles) ⓘGove Mine, Mount Arlington, Morris 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.77
 
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