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
Great Wheal Fortune, Breage, 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 Great Wheal Fortune, Breage, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:39237
Long-form Identifier:1:3:39237:2
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
0.6km (0.4 miles) ⓘSouth Wheal Fortune, Breage, Cornwall, England, UK
0.7km (0.4 miles) ⓘWheal Metal, Carnmeal Downs, Breage, Cornwall, England, UK
1.0km (0.6 miles) ⓘWheal Susan, Sithney, Cornwall, England, UK
1.2km (0.7 miles) ⓘHanson Mines (Anson Mines), Porthleven, Cornwall, England, UK
1.4km (0.9 miles) ⓘWheal Vor (Great Wheal Vor), Carleen, Breage, Cornwall, England, UK
2.8km (1.7 miles) ⓘWheal Bramble (East Wheal Vor), Sithney, Cornwall, England, UK
3.0km (1.8 miles) ⓘTregonning Hill, Breage, Cornwall, England, UK
3.5km (2.2 miles) ⓘWheal Trewavas (Trewavas Cliff Mine), Rinsey, Breage, Cornwall, England, UK
3.5km (2.2 miles) ⓘWheal Millet (Wheal Fortescue), Nancegollan, Crowan, Cornwall, England, UK
3.5km (2.2 miles) ⓘWheal Trannack, Trannack, Wendron, Cornwall, England, UK
References
Henwood, William Jory (1843) On the Metalliferous Deposits of Cornwall and Devon. Transactions of the Royal Geological Society of Cornwall, 5. 1-386
Hall, Townshend M. (1868) The Mineralogist's Directory: or, a guide to the Principal Mineral Localities in the United Kingdom of Great Britain and Ireland. Edward Stanford.
Collins, J. H. (1871) A Handbook to the Mineralogy of Cornwall and Devon. Heard and Sons, Truro.
 
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