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
Squier's Mine, West Milford Township, Passaic 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 Squier's Mine, West Milford Township, Passaic County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:73506
Long-form Identifier:1:3:73506:3
GUID (UUID V4):0
Nearest other occurrences of Feldspar Group
6.2km (3.9 miles) ⓘLayton Mine, Vernon Township, Sussex County, New Jersey, USA
7.1km (4.4 miles) ⓘRocky Hill, Orange County, New York, USA
9.8km (6.1 miles) ⓘSterling Mine (Sterling ore body; Clark Mine), Sterling Mines group, Sterling Lake, Town of Warwick, Orange County, New York, USA
10.0km (6.2 miles) ⓘLake Mine, Sterling Lake, Town of Warwick, Orange County, New York, USA
12.3km (7.6 miles) ⓘCannon Mines, Ringwood, Passaic County, New Jersey, USA
12.3km (7.6 miles) ⓘMule Mine, Ringwood, Passaic County, New Jersey, USA
12.3km (7.6 miles) ⓘHard Mine, Ringwood, Passaic County, New Jersey, USA
12.7km (7.9 miles) ⓘEdenville, Town of Warwick, Orange County, New York, USA
13.1km (8.1 miles) ⓘAugusta Mine, Southfields, Town of Tuxedo, Orange County, New York, USA
13.4km (8.3 miles) ⓘNew Mine (Wood Mine), Ringwood, Passaic County, New Jersey, USA
References
The Iron Mines of NJ (1910), Bayley:343
 
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