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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Pyrite from
King of Prussia, Upper Merion Township, Montgomery County, Pennsylvania, USA


Classification
Species:Pyrite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view King of Prussia, Upper Merion Township, Montgomery County, Pennsylvania, USA
Data Identifiers
Mindat Occurrence Record ID:348649
Long-form Identifier:1:3:348649:8
GUID (UUID V4):0
Nearest other occurrences of Pyrite
2.3km (1.5 miles) ⓘLimestone quarry, Upper Merion Township, Montgomery County, Pennsylvania, USA
6.1km (3.8 miles) ⓘEcton Mine, Perkiomen Mines, Audubon, Lower Providence Township, Montgomery County, Pennsylvania, USA
11.2km (6.9 miles) ⓘPrince's Soapstone Quarry, Lafayette Station, Philadelphia County, Pennsylvania, USA
11.4km (7.1 miles) ⓘMorris Mine, Schuylkill Township, Chester County, Pennsylvania, USA
11.8km (7.3 miles) ⓘBrookdale Mine, Schuylkill Township, Chester County, Pennsylvania, USA
12.2km (7.6 miles) ⓘMontgomery Mine, Schuylkill Township, Chester County, Pennsylvania, USA
12.6km (7.8 miles) ⓘBlack Rock Tunnel (Conrail Tunnel), Phoenixville, Chester County, Pennsylvania, USA
13.7km (8.5 miles) ⓘMill Lane Farms (Great Valley Corporate Center), East Whiteland Township, Chester County, Pennsylvania, USA
14.3km (8.9 miles) ⓘHitner's Marble Quarry (Hitner's Quarry), Whitemarsh Township, Montgomery County, Pennsylvania, USA
14.8km (9.2 miles) ⓘWissahickon Valley, Philadelphia, Philadelphia County, Pennsylvania, USA
References
Gordon, Samuel G. (1922) The Mineralogy of Pennsylvania. Special Publication 1. The Academy of Natural Sciences of Philadelphia 255pp. p.217
 
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