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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Stevensite from
Interstate 95 and George Washington Bridge Lower Level roadcut, Fort Lee, Bergen County, New Jersey, USA


Locality type:Road Cutting
Classification
Species:Stevensite
Formula:(Ca,Na)xMg3-x(Si4O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Stevensite data
Locality Data:Click here to view Interstate 95 and George Washington Bridge Lower Level roadcut, Fort Lee, Bergen County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:72202
Long-form Identifier:1:3:72202:3
GUID (UUID V4):0
Nearest other occurrences of Stevensite
6.9km (4.3 miles) ⓘWoodcliff, North Bergen, Hudson County, New Jersey, USA
14.0km (8.7 miles) ⓘLaurel Hill, Secaucus, Hudson County, New Jersey, USA
18.0km (11.2 miles) ⓘInterstate 80 roadcut, Paterson, Passaic County, New Jersey, USA
19.0km (11.8 miles) ⓘUpper New Street Quarry, Paterson, Passaic County, New Jersey, USA
19.2km (11.9 miles) ⓘLower New Street Quarry, Paterson, Passaic County, New Jersey, USA
20.0km (12.4 miles) ⓘProspect Park Quarry, Prospect Park, Passaic County, New Jersey, USA
20.1km (12.5 miles) ⓘFrancisco Brothers Quarry, Great Notch, Little Falls Township, Passaic County, New Jersey, USA
22.4km (13.9 miles) ⓘF.J. Marley Quarry, Verona, Essex County, New Jersey, USA
31.2km (19.4 miles) ⓘHartshorn Quarry, Short Hills, Millburn, Essex County, New Jersey, USA
31.5km (19.6 miles) ⓘStewart Hartshorn Quarry (Hartshorn Quarry), Millburn, Millburn, Essex County, New Jersey, USA
References
Focus on Fort Lee - A Key and Guide to the Minerals of Fort Lee.
Rocks & Min. (1963) 38:591-592
 
and/or  
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