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
Roseville Mine, Roseville, Byram Township, Sussex 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 Roseville Mine, Roseville, Byram Township, Sussex County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:73341
Long-form Identifier:1:3:73341:8
GUID (UUID V4):0
Nearest other occurrences of Mica Group
4.9km (3.0 miles) ⓘBEMCO prospect (Charlotte Mine), Cranberry Lake, Byram Township, Sussex County, New Jersey, USA
6.0km (3.7 miles) ⓘCascade Mine (Smith Mine), Stanhope, Sussex County, New Jersey, USA
7.9km (4.9 miles) ⓘLake View Mine, Lake Hopatcong, Roxbury Township, Morris County, New Jersey, USA
8.3km (5.1 miles) ⓘHurd Mine (Hurdtown Mine; Level Mine; Turnpike Mine; South Vein Mine; Bluff Mine), Hurdtown, Jefferson Township, Morris County, New Jersey, USA
9.6km (6.0 miles) ⓘHurdtown Apatite Mine, Hurdtown, Jefferson Township, Morris County, New Jersey, USA
12.5km (7.7 miles) ⓘMt Pleasant, Rockaway Township, Morris County, New Jersey, USA
12.7km (7.9 miles) ⓘBaker Mines, Mine Hill, Morris County, New Jersey, USA
12.9km (8.0 miles) ⓘDickerson Mine, Mine Hill, Morris County, New Jersey, USA
13.2km (8.2 miles) ⓘTeabo Mines, Rockaway Township, Morris County, New Jersey, USA
13.3km (8.2 miles) ⓘCanfield Phosphate Mine, Mine Hill, Morris County, New Jersey, USA
References
NJ State Geol. Ann. Rpt. (1856): 172.
 
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