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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Willemite from
Hackensack, Bergen County, New Jersey, USA


Locality type:City
Classification
Species:Willemite
Formula:Zn2SiO4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Willemite data
Locality Data:Click here to view Hackensack, Bergen County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:79642
Long-form Identifier:1:3:79642:6
GUID (UUID V4):0
Nearest other occurrences of Willemite
52.9km (32.9 miles) ⓘFill Quarry, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
52.9km (32.9 miles) ⓘSterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
52.9km (32.9 miles) ⓘPassaic pit (Marshall Mine; Passaic Mine), Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
53.1km (33.0 miles) ⓘTaylor Road dumps, Franklin Mine, Franklin, Sussex County, New Jersey, USA
53.1km (33.0 miles) ⓘParker shaft, Franklin Mine, Franklin, Sussex County, New Jersey, USA
53.1km (33.0 miles) ⓘTaylor Mine, Franklin Mine, Franklin, Sussex County, New Jersey, USA
53.1km (33.0 miles) ⓘBuckwheat pit, Franklin Mine, Franklin, Sussex County, New Jersey, USA
53.2km (33.1 miles) ⓘFranklin Mine, Franklin, Sussex County, New Jersey, USA
53.3km (33.1 miles) ⓘBuckwheat dump mineral collecting site, Franklin Mine, Franklin, Sussex County, New Jersey, USA
53.3km (33.1 miles) ⓘDouble Rock pegmatite, 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.76
 
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