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
Roskrow United Mine, Perranarworthal, 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 Roskrow United Mine, Perranarworthal, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:192090
Long-form Identifier:1:3:192090:1
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
3.9km (2.4 miles) ⓘAle and Cakes Mine, United Mines (Gwennap United Mines), Clifford Amalgamated Mines, Gwennap, Cornwall, England, UK
3.9km (2.4 miles) ⓘCarnon valley alluvials, Bissoe, Kea, Cornwall, England, UK
3.9km (2.4 miles) ⓘMount Wellington Mine (Wheal Magpie), Cusgarne, Gwennap, Cornwall, England, UK
4.0km (2.5 miles) ⓘWheal Clifford, United Mines (Gwennap United Mines), Clifford Amalgamated Mines, Gwennap, Cornwall, England, UK
4.0km (2.5 miles) ⓘPoldory Mine, United Mines (Gwennap United Mines), Clifford Amalgamated Mines, Gwennap, Cornwall, England, UK
4.0km (2.5 miles) ⓘTreviskey Mine, East Tresavean Mine (Treviskey United Mines), Tresavean Mine, Lanner, Lanner, Cornwall, England, UK
4.1km (2.5 miles) ⓘUnited Mines (Gwennap United Mines), Clifford Amalgamated Mines, Gwennap, Cornwall, England, UK
4.2km (2.6 miles) ⓘWheal Moyle, Gwennap, Cornwall, England, UK
4.2km (2.6 miles) ⓘBread and Cheese Shaft, Nangiles Mine (Wheal Nangiles), Chacewater, Cornwall, England, UK
4.3km (2.7 miles) ⓘNangiles Mine (Wheal Nangiles), Chacewater, Cornwall, England, UK
References
 
and/or  
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