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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Bismutite from
South Crofty Mine, Pool, Carn Brea, Cornwall, England, UK


Locality type:Project
Classification
Species:Bismutite
Formula:(BiO)2CO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Bismutite data
Locality Data:Click here to view South Crofty Mine, Pool, Carn Brea, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:2086
Long-form Identifier:1:3:2086:2
GUID (UUID V4):0
Nearest other occurrences of Bismutite
2.9km (1.8 miles) ⓘWheal Basset, Basset Mines, Carnkie, Carn Brea, Cornwall, England, UK
9.7km (6.1 miles) ⓘWheal Coates, St Agnes, Cornwall, England, UK
13.9km (8.6 miles) ⓘPenberthy Croft Mine, St Hilary, Cornwall, England, UK
14.3km (8.9 miles) ⓘHalamanning Mine, St Hilary, Cornwall, England, UK
16.1km (10.0 miles) ⓘTregurtha Downs Mine, St Hilary, Cornwall, England, UK
30.2km (18.8 miles) ⓘLevant Mine, Trewellard, St Just, Cornwall, England, UK
30.8km (19.1 miles) ⓘWheal Remfry China Clay Pit, Fraddon, St Enoder, Cornwall, England, UK
31.0km (19.2 miles) ⓘWheal Owles, Botallack, St Just, Cornwall, England, UK
31.2km (19.4 miles) ⓘWheal Edward, Botallack, St Just, Cornwall, England, UK
38.1km (23.7 miles) ⓘCornubia Mine (Roche Rock Mine; Cost-all-Lost Mine), Carbis, Roche, Cornwall, England, UK
References
Rust, S. A. (1995) Bismutite from Penberthy Croft Mine, St. Hilary, Cornwall. UK Journal of Mines and Minerals 15, 18
 
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