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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Quartz from
Whim shaft, Perkiomen Mines, Audubon, Lower Providence Township, Montgomery County, Pennsylvania, USA


Locality type:Shaft
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Limonite12
Pseudomalachite5
Sphalerite5
Hydrozincite5
Malachite4
Pyromorphite4
Galena2
Chalcopyrite2
Chrysocolla2
Goethite2
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Whim shaft, Perkiomen Mines, Audubon, Lower Providence Township, Montgomery County, Pennsylvania, USA
Data Identifiers
Mindat Occurrence Record ID:748481
Long-form Identifier:1:3:748481:0
GUID (UUID V4):0
Nearest other occurrences of Quartz
0.2km (0.1 miles) ⓘPerkiomen Copper Mine, Perkiomen Mines, Audubon, Lower Providence Township, Montgomery County, Pennsylvania, USA
0.6km (0.4 miles) ⓘEcton Mine, Perkiomen Mines, Audubon, Lower Providence Township, Montgomery County, Pennsylvania, USA
4.2km (2.6 miles) ⓘCollegeville Amethyst Locality, Collegeville, Upper Providence Township, Montgomery County, Pennsylvania, USA
6.1km (3.8 miles) ⓘKing of Prussia, Upper Merion Township, Montgomery County, Pennsylvania, USA
6.3km (3.9 miles) ⓘMorris Mine, Schuylkill Township, Chester County, Pennsylvania, USA
6.7km (4.2 miles) ⓘBlack Rock Tunnel (Conrail Tunnel), Phoenixville, Chester County, Pennsylvania, USA
7.2km (4.5 miles) ⓘWheatley Mines, Schuylkill Township, Chester County, Pennsylvania, USA
7.3km (4.5 miles) ⓘChester County Mine, Schuylkill Township, Chester County, Pennsylvania, USA
7.7km (4.8 miles) ⓘSouthwest Chester County Mine (New Chester County Mine), Schuylkill Township, Chester County, Pennsylvania, USA
7.7km (4.8 miles) ⓘBrookdale Mine, Schuylkill Township, Chester County, Pennsylvania, USA
References
Smith, R. C. II (1977) Zinc and lead occurrences in Pennsylvania. Mineral Resource Report M72. Pennsylvania Geological Survey
 
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