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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Arsenopyrite from
Great Wheal Fortune, Breage, Cornwall, England, UK


Locality type:Mine
Classification
Species:Arsenopyrite
Formula:FeAsS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Arsenopyrite data
Locality Data:Click here to view Great Wheal Fortune, Breage, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:39236
Long-form Identifier:1:3:39236:3
GUID (UUID V4):0
Nearest other occurrences of Arsenopyrite
1.4km (0.9 miles) ⓘWheal Vor (Great Wheal Vor), Carleen, Breage, Cornwall, England, UK
3.0km (1.8 miles) ⓘTregonning Hill, Breage, Cornwall, England, UK
3.6km (2.2 miles) ⓘGreat Work Mine (incl. Leeds Mine), Godolphin Cross, Breage, Cornwall, England, UK
3.8km (2.3 miles) ⓘLady Gwendolen Mine, Germoe, Cornwall, England, UK
3.8km (2.4 miles) ⓘWheal Penrose, Porthleven, Cornwall, England, UK
4.6km (2.8 miles) ⓘTreworlis Mine, Helston, Cornwall, England, UK
5.0km (3.1 miles) ⓘCrenver & Wheal Abraham (Abraham Consols; incl. Great Drym Consols), Crowan, Cornwall, England, UK
5.8km (3.6 miles) ⓘSt Aubyn and Grylls Mine, Kenneggy Downs, Breage, Cornwall, England, UK
6.0km (3.7 miles) ⓘGreat Western Mine, Grylls Mines (incl. Great Wheal Grylls; West Wheal Grylls), Perranuthnoe, Cornwall, England, UK
6.0km (3.7 miles) ⓘCroft Gothal Mine, St Hilary, Cornwall, England, UK
References
 
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