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
Avondale, Nutley, Essex County, New Jersey, USA


Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Avondale, Nutley, Essex County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:79130
Long-form Identifier:1:3:79130:6
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
6.3km (3.9 miles) ⓘMcDowell's Quarry (Osborne and Marsellis Quarry), Upper Montclair, Montclair, Essex County, New Jersey, USA
7.7km (4.8 miles) ⓘUnion Building and Construction Quarry, Woodland Park, Passaic County, New Jersey, USA
8.0km (5.0 miles) ⓘFrancisco Brothers Quarry, Great Notch, Little Falls Township, Passaic County, New Jersey, USA
8.2km (5.1 miles) ⓘLaurel Hill, Secaucus, Hudson County, New Jersey, USA
9.8km (6.1 miles) ⓘMcBride Avenue & Browertown Road pumping station, Woodland Park, Passaic County, New Jersey, USA
10.4km (6.4 miles) ⓘRiverside Quarry, Woodland Park, Passaic County, New Jersey, USA
10.5km (6.5 miles) ⓘLower New Street Quarry, Paterson, Passaic County, New Jersey, USA
10.5km (6.6 miles) ⓘUpper New Street Quarry, Paterson, Passaic County, New Jersey, USA
11.4km (7.1 miles) ⓘInterstate 80 roadcut, Paterson, Passaic County, New Jersey, USA
11.8km (7.4 miles) ⓘErie Railroad cut (Bergen archways), Bergen Hill, Jersey City, Hudson County, New Jersey, USA
References
The Minerals of NYC & Its Environs, NY Min. Club Bull. Vol. 3, No. 1, Manchester, J.G. (1931): 64.
 
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