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


Locality type:Project
Classification
Species:Dolomite
Formula:CaMg(CO3)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Dolomite data
Locality Data:Click here to view South Crofty Mine, Pool, Carn Brea, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:4596
Long-form Identifier:1:3:4596:4
GUID (UUID V4):0
Nearest other occurrences of Dolomite
0.7km (0.4 miles) ⓘDolcoath Mine, Camborne, Cornwall, England, UK
1.0km (0.6 miles) ⓘNorth Roskear Mine, North Roskear, Camborne, Cornwall, England, UK
5.3km (3.3 miles) ⓘCathedral Mine, Busveal, St Day, Cornwall, England, UK
6.1km (3.8 miles) ⓘTrevascus Mine (Trevaskus Mine; Trevaskis Mine), Carnhell Green, Gwinear-Gwithian, Cornwall, England, UK
6.5km (4.1 miles) ⓘNew Rosewarne Mine, Rosewarne United Mines, Gwinear-Gwithian, Cornwall, England, UK
8.6km (5.3 miles) ⓘBinner Downs Mine, Leedstown, Crowan, Cornwall, England, UK
11.4km (7.1 miles) ⓘWheal Vor (Great Wheal Vor), Carleen, Breage, Cornwall, England, UK
13.3km (8.2 miles) ⓘEnnys Wheal Virgin, St Hilary, Cornwall, England, UK
13.9km (8.6 miles) ⓘPenberthy Croft Mine, St Hilary, Cornwall, England, UK
14.7km (9.1 miles) ⓘTrevarthian Downs Mine (Trevarthen Mine), St Hilary, Cornwall, England, UK
References
Golley, Peter, Williams, Richard (1995) Cornish Mineral Reference Manual. Endsleigh Book Co., Truro. 71pp.
 
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