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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Chalcopyrite from
Mt Pleasant, Rockaway Township, Morris County, New Jersey, USA


Locality type:Mountain
Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Mt Pleasant, Rockaway Township, Morris County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:79844
Long-form Identifier:1:3:79844:2
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
0.6km (0.4 miles) ⓘAllen Mine, Rockaway Township, Morris County, New Jersey, USA
1.9km (1.2 miles) ⓘMt Pleasant Mine, Rockaway Township, Morris County, New Jersey, USA
4.1km (2.6 miles) ⓘScrub Oaks Mine, Mine Hill, Morris County, New Jersey, USA
6.8km (4.2 miles) ⓘHibernia Mine, Hibernia, Rockaway Township, Morris County, New Jersey, USA
8.6km (5.4 miles) ⓘMariot's Mine, Shippenport, Roxbury Township, Morris County, New Jersey, USA
12.5km (7.7 miles) ⓘRoseville Mine, Roseville, Byram Township, Sussex County, New Jersey, USA
14.9km (9.3 miles) ⓘBEMCO prospect (Charlotte Mine), Cranberry Lake, Byram Township, Sussex County, New Jersey, USA
16.3km (10.1 miles) ⓘEdison Mine, Sparta Township, Sussex County, New Jersey, USA
17.0km (10.6 miles) ⓘCopper Mine shaft, Edison Mine, Sparta Township, Sussex County, New Jersey, USA
17.2km (10.7 miles) ⓘSulphur Hill Mine (Sulfur Hill Mine), Andover Township, Sussex 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.82
 
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