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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Smoky Quartz from
Francisco Brothers Quarry, Great Notch, Little Falls Township, Passaic County, New Jersey, USA


Locality type:Quarry
Classification
Species:Quartz var: Smoky Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Smoky Quartz data
Locality Data:Click here to view Francisco Brothers Quarry, Great Notch, Little Falls Township, Passaic County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:73178
Long-form Identifier:1:3:73178:4
GUID (UUID V4):0
Nearest other occurrences of Smoky Quartz
1.0km (0.6 miles) ⓘHoudaille Quarry, Little Falls Township, Passaic County, New Jersey, USA
3.0km (1.8 miles) ⓘMcDowell's Quarry (Osborne and Marsellis Quarry), Upper Montclair, Montclair, Essex County, New Jersey, USA
4.1km (2.5 miles) ⓘLower New Street Quarry, Paterson, Passaic County, New Jersey, USA
4.2km (2.6 miles) ⓘUpper New Street Quarry, Paterson, Passaic County, New Jersey, USA
6.1km (3.8 miles) ⓘMcKiernan & Bergin Quarry, Paterson, Passaic County, New Jersey, USA
7.1km (4.4 miles) ⓘBraen Quarry, Haledon, Passaic County, New Jersey, USA
8.2km (5.1 miles) ⓘProspect Park Quarry, Prospect Park, Passaic County, New Jersey, USA
16.2km (10.1 miles) ⓘFederal Hill Granite Co. Quarry, Riverdale, Morris County, New Jersey, USA
23.0km (14.3 miles) ⓘWashington Heights, Manhattan (New York County), New York City, New York, USA
23.6km (14.7 miles) ⓘInwood Valley (Inwood), Manhattan (New York County), New York City, New York, USA
References
Rocks & Min.: 19:306-309.
Mins. of NYC & Environs, NY Min. Club (1931), Manchester.
 
and/or  
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