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
Wheal Penrose, Porthleven, 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 Wheal Penrose, Porthleven, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:36724
Long-form Identifier:1:3:36724:2
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
0.7km (0.4 miles) ⓘWheal Rose (Wheal Lomax), Porthleven, Cornwall, England, UK
2.6km (1.6 miles) ⓘHanson Mines (Anson Mines), Porthleven, Cornwall, England, UK
3.1km (2.0 miles) ⓘSouth Wheal Fortune, Breage, Cornwall, England, UK
3.7km (2.3 miles) ⓘWheal Trewavas (Trewavas Cliff Mine), Rinsey, Breage, Cornwall, England, UK
3.8km (2.4 miles) ⓘGreat Wheal Fortune, Breage, Cornwall, England, UK
3.8km (2.4 miles) ⓘWheal Susan, Sithney, Cornwall, England, UK
4.4km (2.7 miles) ⓘWheal Metal, Carnmeal Downs, Breage, Cornwall, England, UK
5.1km (3.2 miles) ⓘWheal Trannack, Trannack, Wendron, Cornwall, England, UK
5.2km (3.2 miles) ⓘWheal Vor (Great Wheal Vor), Carleen, Breage, Cornwall, England, UK
5.4km (3.3 miles) ⓘTreworlis Mine, Helston, Cornwall, England, UK
References
Collins, J. H. (1871) A Handbook to the Mineralogy of Cornwall and Devon. Heard and Sons, Truro.
 
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