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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Feldspar Group from
Stirling Mine, Irondale, Wharton, Morris County, New Jersey, USA


Locality type:Mine
Classification
Species:'Feldspar Group' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Feldspar Group data
Locality Data:Click here to view Stirling Mine, Irondale, Wharton, Morris County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:73690
Long-form Identifier:1:3:73690:1
GUID (UUID V4):0
Nearest other occurrences of Feldspar Group
0.3km (0.2 miles) ⓘHubbard Mine, Irondale, Wharton, Morris County, New Jersey, USA
0.9km (0.6 miles) ⓘScrub Oaks Mine, Mine Hill, Morris County, New Jersey, USA
1.3km (0.8 miles) ⓘByram Mine, Mine Hill, Morris County, New Jersey, USA
2.2km (1.3 miles) ⓘMt Pleasant Mine, Rockaway Township, Morris County, New Jersey, USA
2.4km (1.5 miles) ⓘDickerson Mine, Mine Hill, Morris County, New Jersey, USA
3.6km (2.2 miles) ⓘThomas Fanning's Quarry, Dover, Morris County, New Jersey, USA
4.4km (2.7 miles) ⓘLake View Mine, Lake Hopatcong, Roxbury Township, Morris County, New Jersey, USA
5.0km (3.1 miles) ⓘSwede's Mine (Sweed's Mine), Rockaway Township, Morris County, New Jersey, USA
5.1km (3.2 miles) ⓘTeabo Mines, Rockaway Township, Morris County, New Jersey, USA
5.4km (3.3 miles) ⓘI-80 roadcut, Mount Arlington, Morris County, New Jersey, USA
References
NJ State Geol. Ann. Rpt. (1856):209.
 
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