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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Pyroxene Group from
Montville serpentine deposit, Montville Township, Morris County, New Jersey, USA


Locality type:Deposit
Classification
Species:'Pyroxene Group' (not an IMA approved species)
Formula:ADSi2O6
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyroxene Group data
Locality Data:Click here to view Montville serpentine deposit, Montville Township, Morris County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:79813
Long-form Identifier:1:3:79813:2
GUID (UUID V4):0
Nearest other occurrences of Pyroxene Group
9.6km (6.0 miles) ⓘBirch Mine, Rockaway Township, Morris County, New Jersey, USA
10.8km (6.7 miles) ⓘCopperas Mine, Copperas Mountain, Rockaway Township, Morris County, New Jersey, USA
13.1km (8.1 miles) ⓘMount Hope Mines (Mt Hope Mines), Mount Hope, Rockaway Township, Morris County, New Jersey, USA
14.8km (9.2 miles) ⓘAllen Mine, Rockaway Township, Morris County, New Jersey, USA
17.2km (10.7 miles) ⓘJ.D. King Mine, Mine Hill, Morris County, New Jersey, USA
18.2km (11.3 miles) ⓘBerkshire Valley, Jefferson Township, Morris County, New Jersey, USA
20.5km (12.7 miles) ⓘDunker Pond, Clinton, West Milford Township, Passaic County, New Jersey, USA
20.7km (12.8 miles) ⓘConnet Mine (Waterstreet Mine), Brookside, Mendham Township, Morris County, New Jersey, USA
23.0km (14.3 miles) ⓘDaniel Horton Mine (Horton Mine), Randolph Township, Morris County, New Jersey, USA
26.1km (16.2 miles) ⓘCarey Mine, Uttertown, West Milford Township, Passaic 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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