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
Charlotteburg Mine, Rockaway Township, 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 Charlotteburg Mine, Rockaway Township, Morris County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:71242
Long-form Identifier:1:3:71242:4
GUID (UUID V4):0
Nearest other occurrences of Mica Group
0.5km (0.3 miles) ⓘSplit Rock Pond Mine, Split Rock Pond, Rockaway Township, Morris County, New Jersey, USA
2.3km (1.4 miles) ⓘWild Cat Mine (Kitchell Mine), Copperas Mountain, Rockaway Township, Morris County, New Jersey, USA
2.3km (1.4 miles) ⓘGreen Pond Mines, Copperas Mountain, Rockaway Township, Morris County, New Jersey, USA
3.4km (2.1 miles) ⓘPardee Mine, Green Pond, Rockaway Township, Morris County, New Jersey, USA
6.7km (4.2 miles) ⓘHibernia Mine, Hibernia, Rockaway Township, Morris County, New Jersey, USA
8.5km (5.3 miles) ⓘLake Valhalla Quarry (Gordon's Crystalline Limestone Quarry), Montville Township, Morris County, New Jersey, USA
9.0km (5.6 miles) ⓘRiverdale Plaza, Riverdale, Morris County, New Jersey, USA
10.0km (6.2 miles) ⓘWanaque Mines (Wynokie Mines), Riverdale, Morris County, New Jersey, USA
11.6km (7.2 miles) ⓘTeabo Mines, Rockaway Township, Morris County, New Jersey, USA
12.7km (7.9 miles) ⓘHurdtown Apatite Mine, Hurdtown, Jefferson Township, Morris County, New Jersey, USA
References
NJ State Geol. Ann. Rpt. (1886):139.
The Iron Mines of NJ (1910), Bayley:419
 
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