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
Ryerson de Bow Mine (Bishop Mine; Search Mine), Pompton Station, Riverdale, 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 Ryerson de Bow Mine (Bishop Mine; Search Mine), Pompton Station, Riverdale, Morris County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:73346
Long-form Identifier:1:3:73346:3
GUID (UUID V4):0
Nearest other occurrences of Pyrite
2.4km (1.5 miles) ⓘRiverdale Plaza, Riverdale, Morris County, New Jersey, USA
5.7km (3.6 miles) ⓘKanouse Mine, Wanaque, Passaic County, New Jersey, USA
6.2km (3.9 miles) ⓘBrown Mine, Wanaque, Passaic County, New Jersey, USA
9.8km (6.1 miles) ⓘRockaway Valley Mines (De Camp Mines), Boonton Township, Morris County, New Jersey, USA
10.2km (6.3 miles) ⓘBraen Quarry, Haledon, Passaic County, New Jersey, USA
10.2km (6.3 miles) ⓘLake Valhalla Quarry (Gordon's Crystalline Limestone Quarry), Montville Township, Morris County, New Jersey, USA
10.2km (6.3 miles) ⓘMontville serpentine deposit, Montville Township, Morris County, New Jersey, USA
11.2km (7.0 miles) ⓘCharlotteburg Mine, Rockaway Township, Morris County, New Jersey, USA
11.4km (7.1 miles) ⓘProspect Park Quarry, Prospect Park, Passaic County, New Jersey, USA
11.9km (7.4 miles) ⓘBlue Mine, Ringwood, Passaic County, New Jersey, USA
References
The Iron Mines of NJ (1910), Bayley: 496.
 
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