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
Federal Hill Granite Co. Quarry, Riverdale, Morris 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 Federal Hill Granite Co. Quarry, Riverdale, Morris County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:71894
Long-form Identifier:1:3:71894:1
GUID (UUID V4):0
Nearest other occurrences of Smoky Quartz
11.3km (7.0 miles) ⓘBraen Quarry, Haledon, Passaic County, New Jersey, USA
12.3km (7.6 miles) ⓘProspect Park Quarry, Prospect Park, Passaic County, New Jersey, USA
14.2km (8.8 miles) ⓘLower New Street Quarry, Paterson, Passaic County, New Jersey, USA
14.2km (8.9 miles) ⓘUpper New Street Quarry, Paterson, Passaic County, New Jersey, USA
14.5km (9.0 miles) ⓘMcKiernan & Bergin Quarry, Paterson, Passaic County, New Jersey, USA
16.2km (10.1 miles) ⓘFrancisco Brothers Quarry, Great Notch, Little Falls Township, Passaic County, New Jersey, USA
16.9km (10.5 miles) ⓘHoudaille Quarry, Little Falls Township, Passaic County, New Jersey, USA
18.7km (11.6 miles) ⓘMcDowell's Quarry (Osborne and Marsellis Quarry), Upper Montclair, Montclair, Essex County, New Jersey, USA
25.4km (15.8 miles) ⓘHurd Mine (Hurdtown Mine; Level Mine; Turnpike Mine; South Vein Mine; Bluff Mine), Hurdtown, Jefferson Township, Morris County, New Jersey, USA
28.0km (17.4 miles) ⓘWindsor Quarry (Winsor Quarry), Rudeville, Hardyston Township, Sussex County, New Jersey, USA
References
NJ State Geol. Ann. Rpt. (1906): Plate IV, text.
 
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