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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Pyrolusite from
Upper New Street Quarry, Paterson, Passaic County, New Jersey, USA


Locality type:Quarry
Classification
Species:Pyrolusite
Formula:Mn4+O2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Chabazite-Ca4
Calcite4
Chalcopyrite4
Pyrite4
Data
Mineral Data:Click here to view Pyrolusite data
Locality Data:Click here to view Upper New Street Quarry, Paterson, Passaic County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:78349
Long-form Identifier:1:3:78349:5
GUID (UUID V4):0
Nearest other occurrences of Pyrolusite
0.2km (0.1 miles) ⓘLower New Street Quarry, Paterson, Passaic County, New Jersey, USA
1.4km (0.9 miles) ⓘRiverside Quarry, Woodland Park, Passaic County, New Jersey, USA
4.0km (2.5 miles) ⓘProspect Park Quarry, Prospect Park, Passaic County, New Jersey, USA
4.2km (2.6 miles) ⓘFrancisco Brothers Quarry, Great Notch, Little Falls Township, Passaic County, New Jersey, USA
18.3km (11.4 miles) ⓘLaurel Hill, Secaucus, Hudson County, New Jersey, USA
19.0km (11.8 miles) ⓘInterstate 95 and George Washington Bridge Lower Level roadcut, Fort Lee, Bergen County, New Jersey, USA
35.0km (21.8 miles) ⓘScrub Oaks Mine, Mine Hill, Morris County, New Jersey, USA
39.4km (24.5 miles) ⓘOssining (Sing Sing), Westchester County, New York, USA
39.9km (24.8 miles) ⓘLake Street Quarry, Harrison, Westchester County, New York, USA
47.4km (29.5 miles) ⓘSulphur Hill Mine (Sulfur Hill Mine), Andover Township, Sussex County, New Jersey, USA
References
NJ Geol. Survey Bull. #64, Trap Rock Minerals 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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