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
Coatesville pegmatite locality, Coatesville, Chester County, Pennsylvania, USA


Locality type:Pegmatite
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 Coatesville pegmatite locality, Coatesville, Chester County, Pennsylvania, USA
Data Identifiers
Mindat Occurrence Record ID:150602
Long-form Identifier:1:3:150602:0
GUID (UUID V4):0
Nearest other occurrences of Schorl
12.3km (7.6 miles) ⓘKeystone Trap Rock Quarry, Cornog, Wallace Township, Chester County, Pennsylvania, USA
15.0km (9.3 miles) ⓘHenry Pusey's quarry, Willowdale, East Marlboro Township, Chester County, Pennsylvania, USA
19.7km (12.3 miles) ⓘOsborne Hill, Birmingham Township, Chester County, Pennsylvania, USA
21.1km (13.1 miles) ⓘBrinton's Quarry, Westtown Township, Chester County, Pennsylvania, USA
22.2km (13.8 miles) ⓘGap Mine, Bart Township, Lancaster County, Pennsylvania, USA
24.1km (15.0 miles) ⓘFrench Creek Mines, Saint Peters, Warwick Township, Chester County, Pennsylvania, USA
24.4km (15.2 miles) ⓘMt. Pleasant, Bart Township, Lancaster County, Pennsylvania, USA
27.9km (17.3 miles) ⓘDickson's Quarry (Dixon's Quarry), Wilmington, New Castle County, Delaware, USA
28.1km (17.5 miles) ⓘElk Creek pegmatite, Elk Township, Chester County, Pennsylvania, USA
28.4km (17.7 miles) ⓘOxford Area, East Nottingham Township, Chester County, Pennsylvania, USA
References
Lapham, Davis M., Geyer, Alan R. (1965) Mineral Collecting in Pennsylvania. Bulletin G33 (2nd ed.). Pennsylvania Geological Survey
Reed, Juliet C., Annotated Bibliography of Minerals New to the Pennsylvania List - 1965-1974, Min. Soc. of PA, Inc. (1976): 70
 
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