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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Stilpnomelane from
Lower New Street Quarry, Paterson, Passaic County, New Jersey, USA


Locality type:Quarry
Classification
Species:Stilpnomelane
Formula:K4Fe482+[Si64Al8]O164(OH)52 · nH2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Anhydrite1
Prehnite1
Fluorapophyllite-(K)1
Gypsum1
Data
Mineral Data:Click here to view Stilpnomelane data
Locality Data:Click here to view Lower New Street Quarry, Paterson, Passaic County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:38822
Long-form Identifier:1:3:38822:7
GUID (UUID V4):0
Nearest other occurrences of Stilpnomelane
4.1km (2.5 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
19.2km (11.9 miles) ⓘInterstate 95 and George Washington Bridge Lower Level roadcut, Fort Lee, Bergen County, New Jersey, USA
40.8km (25.3 miles) ⓘTaylor Road dumps, Franklin Mine, Franklin, Sussex County, New Jersey, USA
40.9km (25.4 miles) ⓘFranklin Mine, Franklin, Sussex County, New Jersey, USA
41.0km (25.5 miles) ⓘBuckwheat dump mineral collecting site, Franklin Mine, Franklin, Sussex County, New Jersey, USA
41.1km (25.5 miles) ⓘTrotter Mine, Franklin Mine, Franklin, Sussex County, New Jersey, USA
88.8km (55.2 miles) ⓘGoat Hill Quarry, West Amwell Township, Hunterdon County, New Jersey, USA
References
 
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