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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Chalcocite from
Mexico Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK


Locality type:Mine
Classification
Species:Chalcocite
Formula:Cu2S
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcocite data
Locality Data:Click here to view Mexico Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:3426
Long-form Identifier:1:3:3426:5
GUID (UUID V4):0
Nearest other occurrences of Chalcocite
0.3km (0.2 miles) ⓘRoughton Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
1.0km (0.6 miles) ⓘRed Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
1.8km (1.1 miles) ⓘBrandy Gill Mine, Mungrisdale, Eden, Cumbria, England, UK
2.4km (1.5 miles) ⓘCarrock Mine, Mungrisdale, Eden, Cumbria, England, UK
2.4km (1.5 miles) ⓘOld Potts Gill Mine, Potts Gill, Caldbeck, Allerdale, Cumbria, England, UK
2.4km (1.5 miles) ⓘDriggith Mine, Caldbeck, Allerdale, Cumbria, England, UK
6.5km (4.0 miles) ⓘSaddleback Old Mine, Mungrisdale, Eden, Cumbria, England, UK
19.7km (12.2 miles) ⓘDale Head Mine, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK
33.0km (20.5 miles) ⓘBirk Fell Mine, Coniston, South Lakeland, Cumbria, England, UK
35.0km (21.8 miles) ⓘSeathwaite Mine, Dunnerdale-with-Seathwaite, South Lakeland, Cumbria, England, UK
References
Van Den Berg, W. (1985) Mineralen zoeken in de Caldbeck Fells (Lake District). Gea (Driemaandelijks tijdschrift van de Stichting Geologische Aktiviteiten), 18, 39-48 (in Dutch).
Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London.
 
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