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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Sphalerite from
Balmynheer Mine, Porkellis, Wendron, Cornwall, England, UK


Locality type:Mine
Classification
Species:Sphalerite
Formula:ZnS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sphalerite data
Locality Data:Click here to view Balmynheer Mine, Porkellis, Wendron, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:690374
Long-form Identifier:1:3:690374:9
GUID (UUID V4):0
Nearest other occurrences of Sphalerite
3.4km (2.1 miles) ⓘHalvosso Quarry (Halvasso Quarry; Kessel Downs Quarry), Mabe, Cornwall, England, UK
3.8km (2.4 miles) ⓘTrolvis Quarry, Longdowns, Stithians, Cornwall, England, UK
4.4km (2.7 miles) ⓘChywoon Quarry, Mabe, Cornwall, England, UK
4.8km (3.0 miles) ⓘTrethellan Mine, Tresavean Mine, Lanner, Lanner, Cornwall, England, UK
4.9km (3.1 miles) ⓘTretharrup Mine, Tresavean Mine, Lanner, Lanner, Cornwall, England, UK
5.2km (3.3 miles) ⓘTresavean Mine, Lanner, Lanner, Cornwall, England, UK
5.5km (3.4 miles) ⓘPenstruthal Mine (Bestruthal Mine; incl. North & South Penstruthal Mines), Lanner, Cornwall, England, UK
5.6km (3.5 miles) ⓘTreviskey Mine, East Tresavean Mine (Treviskey United Mines), Tresavean Mine, Lanner, Lanner, Cornwall, England, UK
6.3km (3.9 miles) ⓘSouth Tolcarne Mine, Beacon, Camborne, Cornwall, England, UK
6.4km (4.0 miles) ⓘClyjah and Wentworth Mine (Perseverance Mine), Redruth, Cornwall, England, UK
References
Dominy, S.C., Camm, G.S., and Bussell, M.A. (1996): Proceedings of the Ussher Society 9, 97-104.
 
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