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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Quartz from
Huff Mine (Hoff Mine), Dover, Morris County, New Jersey, USA


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Huff Mine (Hoff Mine), Dover, Morris County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:72146
Long-form Identifier:1:3:72146:8
GUID (UUID V4):0
Nearest other occurrences of Quartz
1.4km (0.9 miles) ⓘThomas Fanning's Quarry, Dover, Morris County, New Jersey, USA
1.4km (0.9 miles) ⓘJ.D. King Mine, Mine Hill, Morris County, New Jersey, USA
1.6km (1.0 miles) ⓘJohnson Hill Mine, Wharton, Morris County, New Jersey, USA
1.9km (1.2 miles) ⓘMt Pleasant Mine, Rockaway Township, Morris County, New Jersey, USA
2.3km (1.4 miles) ⓘHubbard Mine, Irondale, Wharton, Morris County, New Jersey, USA
2.5km (1.5 miles) ⓘOrchard Mine, Wharton, Morris County, New Jersey, USA
2.8km (1.7 miles) ⓘSwede's Mine (Sweed's Mine), Rockaway Township, Morris County, New Jersey, USA
3.0km (1.9 miles) ⓘScrub Oaks Mine, Mine Hill, Morris County, New Jersey, USA
3.1km (1.9 miles) ⓘBaker Mines, Mine Hill, Morris County, New Jersey, USA
3.5km (2.2 miles) ⓘDickerson Mine, Mine Hill, Morris County, New Jersey, USA
References
The Iron Mines of NJ (1910), Bayley:369.
 
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