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


Locality type:Mountain
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Mt Pleasant, Rockaway Township, Morris County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:79843
Long-form Identifier:1:3:79843:3
GUID (UUID V4):0
Nearest other occurrences of Calcite
0.6km (0.4 miles) ⓘRichard Mine, Rockaway Township, Morris County, New Jersey, USA
1.9km (1.2 miles) ⓘMt Pleasant Mine, Rockaway Township, Morris County, New Jersey, USA
2.9km (1.8 miles) ⓘMount Hope Mines (Mt Hope Mines), Mount Hope, Rockaway Township, Morris County, New Jersey, USA
4.1km (2.6 miles) ⓘScrub Oaks Mine, Mine Hill, Morris County, New Jersey, USA
4.6km (2.9 miles) ⓘSwede's Mine (Sweed's Mine), Rockaway Township, Morris County, New Jersey, USA
5.1km (3.2 miles) ⓘBaker Mine, Mine Hill, Morris County, New Jersey, USA
5.7km (3.6 miles) ⓘHurdtown Apatite Mine, Hurdtown, Jefferson Township, Morris County, New Jersey, USA
6.5km (4.1 miles) ⓘBeach Mine, Rockaway Township, Morris County, New Jersey, USA
6.8km (4.2 miles) ⓘHibernia Mine, Hibernia, Rockaway Township, Morris County, New Jersey, USA
8.6km (5.4 miles) ⓘMariot's Mine, Shippenport, Roxbury Township, Morris 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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