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
Scrub Oaks Mine, Mine Hill, Morris County, New Jersey, USA


Locality type:Mine
Classification
Species:Pyrolusite
Formula:Mn4+O2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrolusite data
Locality Data:Click here to view Scrub Oaks Mine, Mine Hill, Morris County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:73407
Long-form Identifier:1:3:73407:3
GUID (UUID V4):0
Nearest other occurrences of Pyrolusite
17.1km (10.6 miles) ⓘSulphur Hill Mine (Sulfur Hill Mine), Andover Township, Sussex County, New Jersey, USA
33.2km (20.6 miles) ⓘFrancisco Brothers Quarry, Great Notch, Little Falls Township, Passaic County, New Jersey, USA
33.8km (21.0 miles) ⓘRiverside Quarry, Woodland Park, Passaic County, New Jersey, USA
34.1km (21.2 miles) ⓘChimney Rock Quarry, Bridgewater Township, Somerset County, New Jersey, USA
34.8km (21.7 miles) ⓘLower New Street Quarry, Paterson, Passaic County, New Jersey, USA
35.0km (21.8 miles) ⓘUpper New Street Quarry, Paterson, Passaic County, New Jersey, USA
35.2km (21.9 miles) ⓘAhles Mine (Osmun-Robeson Mine; Pequest), Oxford Furnace, Oxford Township, Warren County, New Jersey, USA
36.2km (22.5 miles) ⓘProspect Park Quarry, Prospect Park, Passaic County, New Jersey, USA
37.2km (23.1 miles) ⓘUnnamed manganese mines, Clinton Township, Hunterdon County, New Jersey, USA
45.8km (28.5 miles) ⓘLaurel Hill, Secaucus, Hudson County, New Jersey, USA
References
A Quest for NJ Mins., R. Speiser (1978): 11
 
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