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


Locality type:Mountain
Classification
Species:Siderite
Formula:FeCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Siderite data
Locality Data:Click here to view Mt Pleasant, Rockaway Township, Morris County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:79853
Long-form Identifier:1:3:79853:0
GUID (UUID V4):0
Nearest other occurrences of Siderite
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
16.3km (10.1 miles) ⓘOgden Mine (Horseshoe Mine; Lehigh Mine; Lehigh Valley Mine), Sparta Township, Sussex County, New Jersey, USA
18.6km (11.6 miles) ⓘFill Quarry, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
18.8km (11.7 miles) ⓘSterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
22.1km (13.7 miles) ⓘBuckwheat dump mineral collecting site, Franklin Mine, Franklin, Sussex County, New Jersey, USA
22.2km (13.8 miles) ⓘFranklin Mine, Franklin, Sussex County, New Jersey, USA
22.3km (13.8 miles) ⓘShield Mine, Mount Olive, Morris County, New Jersey, USA
22.3km (13.8 miles) ⓘThomas Mine, Mount Olive, Morris County, New Jersey, USA
25.8km (16.1 miles) ⓘSpring Valley Farm, Paulins Kill Lake, Fredon 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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