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
North Roskear Mine, North Roskear, Camborne, Cornwall, England, UK


Locality type:Mine
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 North Roskear Mine, North Roskear, Camborne, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:4595
Long-form Identifier:1:3:4595:7
GUID (UUID V4):0
Nearest other occurrences of Dolomite
1.0km (0.6 miles) ⓘDolcoath Mine, Camborne, Cornwall, England, UK
1.0km (0.6 miles) ⓘSouth Crofty Mine, Pool, Carn Brea, Cornwall, England, UK
5.4km (3.4 miles) ⓘTrevascus Mine (Trevaskus Mine; Trevaskis Mine), Carnhell Green, Gwinear-Gwithian, Cornwall, England, UK
6.0km (3.7 miles) ⓘNew Rosewarne Mine, Rosewarne United Mines, Gwinear-Gwithian, Cornwall, England, UK
6.3km (3.9 miles) ⓘCathedral Mine, Busveal, St Day, Cornwall, England, UK
8.2km (5.1 miles) ⓘBinner Downs Mine, Leedstown, Crowan, Cornwall, England, UK
11.4km (7.1 miles) ⓘWheal Vor (Great Wheal Vor), Carleen, Breage, Cornwall, England, UK
12.7km (7.9 miles) ⓘEnnys Wheal Virgin, St Hilary, Cornwall, England, UK
13.3km (8.3 miles) ⓘPenberthy Croft Mine, St Hilary, Cornwall, England, UK
14.1km (8.7 miles) ⓘTrevarthian Downs Mine (Trevarthen Mine), St Hilary, Cornwall, England, UK
References
Hall, Townshend M. (1868) The Mineralogist's Directory: or, a guide to the Principal Mineral Localities in the United Kingdom of Great Britain and Ireland. Edward Stanford.
Collins, J. H. (1871) A Handbook to the Mineralogy of Cornwall and Devon. Heard and Sons, Truro.
 
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