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


Locality type:Mine
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 Mount Hope Mines (Mt Hope Mines), Mount Hope, Rockaway Township, Morris County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:72901
Long-form Identifier:1:3:72901:7
GUID (UUID V4):0
Nearest other occurrences of Pyroxene Group
2.4km (1.5 miles) ⓘAllen Mine, Rockaway Township, Morris County, New Jersey, USA
5.5km (3.4 miles) ⓘBerkshire Valley, Jefferson Township, Morris County, New Jersey, USA
6.1km (3.8 miles) ⓘBirch Mine, Rockaway Township, Morris County, New Jersey, USA
6.6km (4.1 miles) ⓘJ.D. King Mine, Mine Hill, Morris County, New Jersey, USA
10.6km (6.6 miles) ⓘCopperas Mine, Copperas Mountain, Rockaway Township, Morris County, New Jersey, USA
13.1km (8.1 miles) ⓘMontville serpentine deposit, Montville Township, Morris County, New Jersey, USA
13.5km (8.4 miles) ⓘDaniel Horton Mine (Horton Mine), Randolph Township, Morris County, New Jersey, USA
15.5km (9.6 miles) ⓘConnet Mine (Waterstreet Mine), Brookside, Mendham Township, Morris County, New Jersey, USA
17.9km (11.1 miles) ⓘLongcore Mine (Longcove Mine), Clearwater, Andover Township, Sussex County, New Jersey, USA
18.0km (11.2 miles) ⓘSussex Mills dike, Sussex Mills (Howellsville), Sparta Township, Sussex County, New Jersey, USA
References
US Dept. Comm., Bureau of Mines Info. Circ. #IC6601 (1932):5.
 
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