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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Sphalerite from
Mount Hope Mines (Mt Hope Mines), Mount Hope, Rockaway Township, Morris County, New Jersey, USA


Locality type:Mine
Classification
Species:Sphalerite
Formula:ZnS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sphalerite data
Locality Data:Click here to view Mount Hope Mines (Mt Hope Mines), Mount Hope, Rockaway Township, Morris County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:79840
Long-form Identifier:1:3:79840:6
GUID (UUID V4):0
Nearest other occurrences of Sphalerite
17.7km (11.0 miles) ⓘFill Quarry, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
17.8km (11.0 miles) ⓘPassaic pit (Marshall Mine; Passaic Mine), Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
17.8km (11.1 miles) ⓘSterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
18.1km (11.3 miles) ⓘSussex Lead Mine, Sussex Mills (Howellsville), Sparta Township, Sussex County, New Jersey, USA
18.4km (11.5 miles) ⓘLime Crest Quarry, Sparta Township, Sussex County, New Jersey, USA
18.4km (11.5 miles) ⓘAndover Iron Mine, Andover Township, Sussex County, New Jersey, USA
18.5km (11.5 miles) ⓘSulphur Hill Mine (Sulfur Hill Mine), Andover Township, Sussex County, New Jersey, USA
18.7km (11.6 miles) ⓘFranklin Quarry, Franklin, Sussex County, New Jersey, USA
20.7km (12.9 miles) ⓘTaylor Road dumps, Franklin Mine, Franklin, Sussex County, New Jersey, USA
20.8km (12.9 miles) ⓘBuckwheat dump mineral collecting site, Franklin Mine, Franklin, 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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