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
Feltville Copper mine, Glenside Park (Feltville), Watchung Reservation, Union 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 Feltville Copper mine, Glenside Park (Feltville), Watchung Reservation, Union County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:70807
Long-form Identifier:1:3:70807:8
GUID (UUID V4):0
Nearest other occurrences of Pyrite
3.0km (1.9 miles) ⓘFanwood Quarry (Weldon Quarry), Watchung, Somerset County, New Jersey, USA
4.8km (3.0 miles) ⓘHoudaille Quarry (Summit Quarry; Commonwealth Quarry), Springfield, Springfield Township, Union County, New Jersey, USA
7.4km (4.6 miles) ⓘWilson's Quarry (Wilson Stone Co. Quarry), Watchung, Somerset County, New Jersey, USA
13.0km (8.1 miles) ⓘMillington Quarry, Bernards Township, Somerset County, New Jersey, USA
14.2km (8.8 miles) ⓘMorristown occurrences, Morristown, Morris County, New Jersey, USA
14.3km (8.9 miles) ⓘRiker Hill, Livingston, Livingston, Essex County, New Jersey, USA
18.5km (11.5 miles) ⓘBonhamtown, Edison, Middlesex County, New Jersey, USA
20.1km (12.5 miles) ⓘConnet Mine (Waterstreet Mine), Brookside, Mendham Township, Morris County, New Jersey, USA
20.3km (12.6 miles) ⓘMartin's Dock, Edison, Middlesex County, New Jersey, USA
21.1km (13.1 miles) ⓘAmerican Mine (Alpha Copper Mine; Bridgewater Mine; Somerville Mine; Somerville deposit), Bridgewater Township, Somerset County, New Jersey, USA
References
NJ State Geol. Ann. Rpt. (1906):151.
 
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