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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Sphalerite from
Royal Green Marble Quarry (Warnes Quarry; Rock Products Company Quarry), Lopatcong Township, Warren County, New Jersey, USA


Locality type:Quarry
Classification
Species:Sphalerite
Formula:ZnS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sphalerite data
Locality Data:Click here to view Royal Green Marble Quarry (Warnes Quarry; Rock Products Company Quarry), Lopatcong Township, Warren County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:927331
Long-form Identifier:1:3:927331:3
GUID (UUID V4):0
Nearest other occurrences of Sphalerite
1.5km (0.9 miles) ⓘSherrer Quarry, C.K. Williams Quarry complex, Chestnut Hill, Easton, Northampton County, Pennsylvania, USA
17.8km (11.0 miles) ⓘOxford Stone Co. Quarry (Tilcon New Jersey Quarry), White Township, Warren County, New Jersey, USA
17.8km (11.0 miles) ⓘEdison Cement Co. Quarry (Tilcon quarry), White Township, Warren County, New Jersey, USA
18.2km (11.3 miles) ⓘRaub Mine (Raub farm), White Township, Warren County, New Jersey, USA
26.4km (16.4 miles) ⓘUeberroth Mine, Friedensville, Upper Saucon Township, Lehigh County, Pennsylvania, USA
26.4km (16.4 miles) ⓘNew Hartman Mine (Correll Mine), Friedensville, Upper Saucon Township, Lehigh County, Pennsylvania, USA
26.4km (16.4 miles) ⓘFriedensville Mine, Friedensville, Upper Saucon Township, Lehigh County, Pennsylvania, USA
32.5km (20.2 miles) ⓘNeighbor Mine, Washington Township, Morris County, New Jersey, USA
38.9km (24.2 miles) ⓘLong Valley (German Valley), Washington Township, Morris County, New Jersey, USA
43.8km (27.2 miles) ⓘDoan's Lead Mine (New Britain Mine), New Galena, New Britain Township, Bucks County, Pennsylvania, USA
References
Montgomery, A., 1957, Three occurrences of high-thorian uraninite near Easton, Pennsylvania: Am. Mineralogist, v. 42, pp. 804-820
 
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