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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Prehnite from
Delaware - Lackawanna & Western Railroad tunnels, Bergen Hill, Jersey City, Hudson County, New Jersey, USA


Locality type:Tunnel
Classification
Species:Prehnite
Formula:Ca2Al2Si3O10(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Prehnite data
Locality Data:Click here to view Delaware - Lackawanna & Western Railroad tunnels, Bergen Hill, Jersey City, Hudson County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:73141
Long-form Identifier:1:3:73141:0
GUID (UUID V4):0
Nearest other occurrences of Prehnite
0.7km (0.5 miles) ⓘErie Railroad cut (Bergen archways), Bergen Hill, Jersey City, Hudson County, New Jersey, USA
2.6km (1.6 miles) ⓘNew Jersey Railroad cut, Bergen Hill, Jersey City, Hudson County, New Jersey, USA
2.9km (1.8 miles) ⓘLaurel Hill, Secaucus, Hudson County, New Jersey, USA
4.9km (3.0 miles) ⓘNew York - West Shore & Buffalo RR tunnel, Weehawken, Bergen Hill, Hudson County, New Jersey, USA
7.9km (4.9 miles) ⓘWoodcliff, North Bergen, Hudson County, New Jersey, USA
14.6km (9.1 miles) ⓘInterstate 95 and George Washington Bridge Lower Level roadcut, Fort Lee, Bergen County, New Jersey, USA
15.6km (9.7 miles) ⓘMontclair, Montclair, Essex County, New Jersey, USA
16.6km (10.3 miles) ⓘOrange Quarry Company Quarry (Eagle Rock Quarry), West Orange, West Orange, Essex County, New Jersey, USA
17.3km (10.7 miles) ⓘMcDowell's Quarry (Osborne and Marsellis Quarry), Upper Montclair, Montclair, Essex County, New Jersey, USA
18.2km (11.3 miles) ⓘSaint Cloud, West Orange, Essex County, New Jersey, USA
References
Mins. of NYC & Its Environs, NY Min. Club, Vol. 3 (1931), Manchester.
 
and/or  
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