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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Malachite from
American Mine (Alpha Copper Mine; Bridgewater Mine; Somerville Mine; Somerville deposit), Bridgewater Township, Somerset County, New Jersey, USA


Locality type:Mine
Classification
Species:Malachite
Formula:Cu2(CO3)(OH)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Native Copper3
Cuprite3
Data
Mineral Data:Click here to view Malachite data
Locality Data:Click here to view American Mine (Alpha Copper Mine; Bridgewater Mine; Somerville Mine; Somerville deposit), Bridgewater Township, Somerset County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:48571
Long-form Identifier:1:3:48571:5
GUID (UUID V4):0
Nearest other occurrences of Malachite
3.3km (2.0 miles) ⓘHoffman Mine, Sunset Lake, Bridgewater Township, Somerset County, New Jersey, USA
3.9km (2.4 miles) ⓘPluckemin Copper Mine, Pluckemin, Bedminster Township, Somerset County, New Jersey, USA
3.9km (2.4 miles) ⓘPluckemin, Bedminster Township, Somerset County, New Jersey, USA
5.5km (3.4 miles) ⓘChimney Rock Quarry, Bridgewater Township, Somerset County, New Jersey, USA
10.5km (6.5 miles) ⓘGreen Valley, Middlesex County, New Jersey, USA
10.8km (6.7 miles) ⓘFields' Copper Mine (Field Mine), Warrenville, Warren Township, Somerset County, New Jersey, USA
14.6km (9.1 miles) ⓘWilson's Quarry (Wilson Stone Co. Quarry), Watchung, Somerset County, New Jersey, USA
15.3km (9.5 miles) ⓘNeshanic, Hillsborough Township, Somerset County, New Jersey, USA
18.5km (11.5 miles) ⓘVoorhees, Franklin Township, Somerset County, New Jersey, USA
20.0km (12.4 miles) ⓘSomerset Street basement excavation, New Brunswick, Middlesex County, New Jersey, USA
References
Rocks & Min.:63:130.
NJ State Geol. Ann. Rpt. (1902):130
(1906): 147
 
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