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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Bornite from
Chimney Rock Gorge, Bridgewater Township, Somerset County, New Jersey, USA


Locality type:Gorge
Classification
Species:Bornite
Formula:Cu5FeS4
Comments:Occurred in boulders in and around Chimney Rock gorge. Area now oblitterated by quarrying operations.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Bornite data
Locality Data:Click here to view Chimney Rock Gorge, Bridgewater Township, Somerset County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:70619
Long-form Identifier:1:3:70619:5
GUID (UUID V4):0
Nearest other occurrences of Bornite
0.8km (0.5 miles) ⓘChimney Rock Quarry, Bridgewater Township, Somerset County, New Jersey, USA
15.5km (9.7 miles) ⓘFanwood Quarry (Weldon Quarry), Watchung, Somerset County, New Jersey, USA
17.1km (10.6 miles) ⓘRaritan Mine, North Brunswick Township, Middlesex County, New Jersey, USA
18.6km (11.5 miles) ⓘGriggstown Mine (Franklin Mine), Griggstown, Franklin Township, Somerset County, New Jersey, USA
23.3km (14.5 miles) ⓘHoudaille Quarry (Summit Quarry; Commonwealth Quarry), Springfield, Springfield Township, Union County, New Jersey, USA
27.4km (17.0 miles) ⓘFlemington Copper Mine, Flemington, Hunterdon County, New Jersey, USA
28.6km (17.8 miles) ⓘMargerum Brothers Quarry, West Windsor Township, Mercer County, New Jersey, USA
34.7km (21.5 miles) ⓘScrub Oaks Mine, Mine Hill, Morris County, New Jersey, USA
40.2km (24.9 miles) ⓘLake Valhalla Quarry (Gordon's Crystalline Limestone Quarry), Montville Township, Morris County, New Jersey, USA
43.8km (27.2 miles) ⓘFrancisco Brothers Quarry, Great Notch, Little Falls Township, Passaic County, New Jersey, USA
References
NJ State Geol. Ann. Rpt. (1902):130
 
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