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
North Treskerby Mine (Trewan Mine; Truan Mine), Wheal Rose village, St Agnes, Cornwall, England, UK


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 North Treskerby Mine (Trewan Mine; Truan Mine), Wheal Rose village, St Agnes, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:565368
Long-form Identifier:1:3:565368:3
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
0.5km (0.3 miles) ⓘWheal Scorrier (Scorrier Consols), Skinners Bottom, St Agnes, Cornwall, England, UK
0.6km (0.3 miles) ⓘHallenbeagle Mine, Chacewater, Cornwall, England, UK
0.8km (0.5 miles) ⓘBoscawen Mine (Wheal Andrew and Boscawen), Wheal Truro, Chacewater, Cornwall, England, UK
1.0km (0.6 miles) ⓘWheal Concord, East Treskerby Mine, Skinners Bottom, St Agnes, Cornwall, England, UK
1.0km (0.6 miles) ⓘWheal Briggan, Scorrier, Redruth, Cornwall, England, UK
1.0km (0.6 miles) ⓘEast Wheal Chance, Chacewater, Cornwall, England, UK
1.0km (0.7 miles) ⓘGreat North Downs Mine (incl. Wheal Hawke), Scorrier, Redruth, Cornwall, England, UK
1.3km (0.8 miles) ⓘNorth Wheal Busy, Wheal Truro, Chacewater, Cornwall, England, UK
1.4km (0.9 miles) ⓘWheal Plenty (North Treleigh Wood Mine; incl. North Hallenbeagle Mine), Sinns Common, Redruth, Cornwall, England, UK
1.5km (0.9 miles) ⓘKillifreth Mine, Chacewater, Cornwall, England, UK
References
Dines, H. G. (1956) The Metalliferous Mining Region of South-West England (1st ed.) Vol. 1. Geological Survey of Great Britain, London.
 
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