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
McDowell's Quarry (Osborne and Marsellis Quarry), Upper Montclair, Montclair, Essex County, New Jersey, USA


Locality type:Quarry
Classification
Species:Pyrite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view McDowell's Quarry (Osborne and Marsellis Quarry), Upper Montclair, Montclair, Essex County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:73235
Long-form Identifier:1:3:73235:8
GUID (UUID V4):0
Nearest other occurrences of Pyrite
3.0km (1.8 miles) ⓘFrancisco Brothers Quarry, Great Notch, Little Falls Township, Passaic County, New Jersey, USA
6.1km (3.8 miles) ⓘRiverside Quarry, Woodland Park, Passaic County, New Jersey, USA
7.1km (4.4 miles) ⓘUpper New Street Quarry, Paterson, Passaic County, New Jersey, USA
10.1km (6.3 miles) ⓘBraen Quarry, Haledon, Passaic County, New Jersey, USA
10.7km (6.7 miles) ⓘRiker Hill, Livingston, Livingston, Essex County, New Jersey, USA
11.1km (6.9 miles) ⓘProspect Park Quarry, Prospect Park, Passaic County, New Jersey, USA
14.4km (8.9 miles) ⓘLaurel Hill, Secaucus, Hudson County, New Jersey, USA
16.4km (10.2 miles) ⓘMontville serpentine deposit, Montville Township, Morris County, New Jersey, USA
16.4km (10.2 miles) ⓘLake Valhalla Quarry (Gordon's Crystalline Limestone Quarry), Montville Township, Morris County, New Jersey, USA
17.0km (10.5 miles) ⓘRyerson de Bow Mine (Bishop Mine; Search Mine), Pompton Station, Riverdale, Morris County, New Jersey, USA
References
Mins. of NYC & Its Environs, NY Min. Club (1931), Manchester, J.G.
Peters, Joseph J. (1984) Triassic Traprock Minerals of New Jersey. Rocks & Minerals, 59 (4) 157-183 doi:10.1080/00357529.1984.11764472
 
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