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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Schorl from
Chestnut Hill, Easton, Northampton County, Pennsylvania, USA


Locality type:Hill
Classification
Species:Schorl
Formula:NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Schorl data
Locality Data:Click here to view Chestnut Hill, Easton, Northampton County, Pennsylvania, USA
Data Identifiers
Mindat Occurrence Record ID:150608
Long-form Identifier:1:3:150608:2
GUID (UUID V4):0
Nearest other occurrences of Schorl
37.3km (23.2 miles) ⓘShimerville, Upper Milford Township, Lehigh County, Pennsylvania, USA
50.0km (31.1 miles) ⓘTrap Rock Industries Moores Station Quarry, Moore, Hopewell Township, Mercer County, New Jersey, USA
64.1km (39.8 miles) ⓘNoble pit (Lot #10 - Ogden Divisions; Noble Mine), Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
64.4km (40.0 miles) ⓘGreyhorse Road, Willow Grove, Upper Moreland Township, Montgomery County, Pennsylvania, USA
73.5km (45.6 miles) ⓘWissahickon Valley, Philadelphia, Philadelphia County, Pennsylvania, USA
73.9km (45.9 miles) ⓘFrench Creek Mines, Saint Peters, Warwick Township, Chester County, Pennsylvania, USA
75.7km (47.0 miles) ⓘMcAfee Quarry, McAfee, Vernon Township, Sussex County, New Jersey, USA
77.1km (47.9 miles) ⓘRock Hill Road, Pencoyd (West Manayunk), Lower Merion Township, Montgomery County, Pennsylvania, USA
78.9km (49.0 miles) ⓘBarber's Quarry, Frankford, Philadelphia, Philadelphia County, Pennsylvania, USA
82.6km (51.3 miles) ⓘHestonville, Philadelphia County, Pennsylvania, USA
References
Grant, Raymond W. (Jun, 1974), PA Minerals (PM), PM(138), Keystone Newsletter.
Reed, Juliet C., Annotated Bibliography of Minerals New to the Pennsylvania List - 1965-1974, Min. Soc. of PA, Inc. (1976): 70-71
 
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