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


Locality type:Mine
Classification
Species:'Mica Group' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Mica Group data
Locality Data:Click here to view Huff Mine (Hoff Mine), Dover, Morris County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:72145
Long-form Identifier:1:3:72145:9
GUID (UUID V4):0
Nearest other occurrences of Mica Group
1.5km (0.9 miles) ⓘCorwin Mine, Mine Hill, Morris County, New Jersey, USA
1.9km (1.2 miles) ⓘMt Pleasant Mine, Rockaway Township, Morris County, New Jersey, USA
2.8km (1.7 miles) ⓘSwede's Mine (Sweed's Mine), Rockaway Township, 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
3.7km (2.3 miles) ⓘCanfield Phosphate Mine, Mine Hill, Morris County, New Jersey, USA
3.7km (2.3 miles) ⓘMt Pleasant, Rockaway Township, Morris County, New Jersey, USA
5.1km (3.2 miles) ⓘTeabo Mines, Rockaway Township, Morris County, New Jersey, USA
6.7km (4.2 miles) ⓘLake View Mine, Lake Hopatcong, Roxbury Township, Morris County, New Jersey, USA
9.1km (5.6 miles) ⓘHibernia Mine, Hibernia, Rockaway Township, Morris County, New Jersey, USA
References
The Iron Mines of NJ (1910), Bayley:369.
 
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