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


01378660017362082178654.jpg
Native Copper

American Mine, Bridgewater Township, Somerset County, New Jersey, USA
04350860017272027303920.jpg
Native Copper

American Mine, Bridgewater Township, Somerset County, New Jersey, USA
08361020017364383937874.jpg
Native Copper, etc.

American Mine, Bridgewater Township, Somerset County, New Jersey, USA
04492940017272027315554.jpg
Native Copper, etc.

American Mine, Bridgewater Township, Somerset County, New Jersey, USA
01378660017362082178654.jpg
Native Copper

American Mine, Bridgewater Township, Somerset County, New Jersey, USA
00979100017823803861407.jpg
Native Copper

American Mine, Bridgewater Township, Somerset County, New Jersey, USA
07673780017823803867770.jpg
Native Copper, etc.

American Mine, Bridgewater Township, Somerset County, New Jersey, USA
04928530017823803861765.jpg
Native Copper, etc.

American Mine, Bridgewater Township, Somerset County, New Jersey, USA
00550530017370550904191.jpg
Native Copper

American Mine, Bridgewater Township, Somerset County, New Jersey, USA
04350860017272027303920.jpg
Native Copper

American Mine, Bridgewater Township, Somerset County, New Jersey, USA
03059040017823803878520.jpg
Native Copper, etc.

American Mine, Bridgewater Township, Somerset County, New Jersey, USA
04492940017272027315554.jpg
Native Copper, etc.

American Mine, Bridgewater Township, Somerset County, New Jersey, USA
Locality type:Mine
Classification
Species:Native Copper
Formula:Cu
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Cuprite3
Malachite3
Chrysocolla2
Calcite2
Data
Mineral Data:Click here to view Native Copper 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
Photo GalleryView Gallery (5 photos)
Data Identifiers
Mindat Occurrence Record ID:71004
Long-form Identifier:1:3:71004:6
GUID (UUID V4):0
Nearest other occurrences of Native Copper
3.3km (2.0 miles) ⓘHoffman Mine, Sunset Lake, Bridgewater Township, Somerset County, New Jersey, USA
3.9km (2.4 miles) ⓘPluckemin, Bedminster Township, Somerset County, New Jersey, USA
3.9km (2.4 miles) ⓘPluckemin Copper Mine, Pluckemin, Bedminster Township, Somerset County, New Jersey, USA
5.5km (3.4 miles) ⓘChimney Rock Quarry, Bridgewater Township, Somerset County, New Jersey, USA
5.9km (3.7 miles) ⓘWashington Mine, Bridgewater Township, Somerset County, New Jersey, USA
20.0km (12.4 miles) ⓘSomerset Street basement excavation, New Brunswick, Middlesex County, New Jersey, USA
20.3km (12.6 miles) ⓘNew Brunswick Mine (French Mine), New Brunswick, Middlesex County, New Jersey, USA
22.1km (13.7 miles) ⓘGriggstown Mine (Franklin Mine), Griggstown, Franklin Township, Somerset County, New Jersey, USA
24.2km (15.0 miles) ⓘMenlo Park Copper Mine (Edison Mine), Menlo Park neighborhood, Edison, Middlesex County, New Jersey, USA
24.3km (15.1 miles) ⓘFlemington Copper Mine, Flemington, Hunterdon County, New Jersey, USA
References
Rocks & Min.: 24:27-29.
NJ State Geol. Ann. Rpt.(1901):151-152
(1906): 147
Geol. Survey of NJ Bull. 50, Lewis & Kümmel (1940)
 
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