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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Cuprite from
Prospect Park Quarry, Prospect Park, Passaic County, New Jersey, USA


Locality type:Quarry
Classification
Species:Cuprite
Formula:Cu2O
Comments:No longer questioned. Occurs associated with chrysocolla and selenite.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Cuprite data
Locality Data:Click here to view Prospect Park Quarry, Prospect Park, Passaic County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:78694
Long-form Identifier:1:3:78694:2
GUID (UUID V4):0
Nearest other occurrences of Cuprite
8.2km (5.1 miles) ⓘFrancisco Brothers Quarry, Great Notch, Little Falls Township, Passaic County, New Jersey, USA
14.2km (8.9 miles) ⓘAvondale, Nutley, Essex County, New Jersey, USA
18.6km (11.5 miles) ⓘSchuyler Copper Mine, North Arlington, Bergen County, New Jersey, USA
21.6km (13.4 miles) ⓘLaurel Hill, Secaucus, Hudson County, New Jersey, USA
25.3km (15.7 miles) ⓘ55th Street, Manhattan (New York County), New York City, New York, USA
28.7km (17.8 miles) ⓘLadentown, Town of Ramapo, Rockland County, New York, USA
35.9km (22.3 miles) ⓘEdison Mine, Sparta Township, Sussex County, New Jersey, USA
39.3km (24.4 miles) ⓘSterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
39.6km (24.6 miles) ⓘFranklin Mine, Franklin, Sussex County, New Jersey, USA
39.9km (24.8 miles) ⓘMill site dump, Franklin Mine, Franklin, Sussex County, New Jersey, USA
References
Collected by Mark Dietz, circa 1990 (Lemanski collection).
NJ Geol. Survey Bull. #64, Trap Rock Mins of NJ, Mason, B. (1960)
Peters, Joseph J. (1984) Triassic Traprock Minerals of New Jersey. Rocks & Minerals, 59 (4) 157-183 doi:10.1080/00357529.1984.11764472
 
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