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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Chalcopyrite from
Chester County Mine, Schuylkill Township, Chester County, Pennsylvania, USA


Locality type:Mine
Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Chester County Mine, Schuylkill Township, Chester County, Pennsylvania, USA
Data Identifiers
Mindat Occurrence Record ID:57992
Long-form Identifier:1:3:57992:6
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
0.1km (0.1 miles) ⓘWheatley Mines, Schuylkill Township, Chester County, Pennsylvania, USA
0.4km (0.2 miles) ⓘSouthwest Chester County Mine (New Chester County Mine), Schuylkill Township, Chester County, Pennsylvania, USA
0.6km (0.4 miles) ⓘBrookdale Mine, Schuylkill Township, Chester County, Pennsylvania, USA
0.6km (0.4 miles) ⓘMontgomery Mine, Schuylkill Township, Chester County, Pennsylvania, USA
1.3km (0.8 miles) ⓘCharleston Mine, Charlestown Township, Chester County, Pennsylvania, USA
1.9km (1.2 miles) ⓘMorris Mine, Schuylkill Township, Chester County, Pennsylvania, USA
4.4km (2.7 miles) ⓘBlack Rock Tunnel (Conrail Tunnel), Phoenixville, Chester County, Pennsylvania, USA
6.8km (4.2 miles) ⓘEcton Mine, Perkiomen Mines, Audubon, Lower Providence Township, Montgomery County, Pennsylvania, USA
7.3km (4.5 miles) ⓘWhim shaft, Perkiomen Mines, Audubon, Lower Providence Township, Montgomery County, Pennsylvania, USA
11.6km (7.2 miles) ⓘKing of Prussia, Upper Merion Township, Montgomery County, Pennsylvania, USA
References
Sloto, Ronald A. (1989) Famous Mineral Localities: The Phoenixville Lead-Silver Mines, Chester County, Pennsylvania. The Mineralogical Record, 20 (5) 369-386
 
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