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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Tetrahedrite Subgroup from
Wheal Anna Maria (Budock Vean Mine; Pedenpoll Mine), Mawnan, Cornwall, England, UK


Locality type:Mine
Classification
Species:'Tetrahedrite Subgroup' (not an IMA approved species)
Formula:Cu6(Cu4C22+)Sb4S12S
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tetrahedrite Subgroup data
Locality Data:Click here to view Wheal Anna Maria (Budock Vean Mine; Pedenpoll Mine), Mawnan, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:10920
Long-form Identifier:1:3:10920:4
GUID (UUID V4):0
Nearest other occurrences of Tetrahedrite Subgroup
4.3km (2.7 miles) ⓘNewporth Beach, Falmouth, Cornwall, England, UK
15.0km (9.3 miles) ⓘPoldice Mine, St Day United Mines (Poldice Mines), Gwennap, Cornwall, England, UK
18.1km (11.2 miles) ⓘTrevascus Mine (Trevaskus Mine; Trevaskis Mine), Carnhell Green, Gwinear-Gwithian, Cornwall, England, UK
19.0km (11.8 miles) ⓘWheal Carpenter, Fraddam, Gwinear-Gwithian, Cornwall, England, UK
19.9km (12.4 miles) ⓘAlfred Consols (East Wheal Alfred; Laity Hills Mine), Great Wheal Alfred (Alfred Consols), Hayle, Cornwall, England, UK
33.3km (20.7 miles) ⓘThe Gannel Smelter slag locality, Crantock, Cornwall, England, UK
37.7km (23.4 miles) ⓘCrinnis Mine (Great Crinnis Mine; Carlyon Consolidated Mine), Carlyon Bay, Carlyon, Cornwall, England, UK
38.9km (24.2 miles) ⓘEast Crinnis Mine (incl. Wheal Rowe), South Par Mine, St Blaise, Cornwall, England, UK
39.8km (24.7 miles) ⓘLevant Mine, Trewellard, St Just, Cornwall, England, UK
40.0km (24.9 miles) ⓘBotallack Mine, Botallack, St Just, Cornwall, England, UK
References
Golley, Peter, Williams, Richard (1995) Cornish Mineral Reference Manual. Endsleigh Book Co., Truro. 71pp.
 
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