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
Brandy Gill Mine, Mungrisdale, Eden, Cumbria, England, UK


Locality type:Mine
Classification
Species:Chalcocite
Formula:Cu2S
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Chrysocolla1
Malachite1
Bayldonite1
Chalcopyrite1
Quartz1
Data
Mineral Data:Click here to view Chalcocite data
Locality Data:Click here to view Brandy Gill Mine, Mungrisdale, Eden, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:3423
Long-form Identifier:1:3:3423:4
GUID (UUID V4):0
Nearest other occurrences of Chalcocite
0.8km (0.5 miles) ⓘCarrock Mine, Mungrisdale, Eden, Cumbria, England, UK
1.6km (1.0 miles) ⓘDriggith Mine, Caldbeck, Allerdale, Cumbria, England, UK
1.8km (1.1 miles) ⓘMexico Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
2.1km (1.3 miles) ⓘRoughton Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
2.7km (1.7 miles) ⓘOld Potts Gill Mine, Potts Gill, Caldbeck, Allerdale, Cumbria, England, UK
2.8km (1.8 miles) ⓘRed Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
5.3km (3.3 miles) ⓘSaddleback Old Mine, Mungrisdale, Eden, Cumbria, England, UK
19.7km (12.3 miles) ⓘDale Head Mine, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK
32.4km (20.1 miles) ⓘBirk Fell Mine, Coniston, South Lakeland, Cumbria, England, UK
34.5km (21.4 miles) ⓘBlack Scar Workings, Levers Water, Coniston, South Lakeland, Cumbria, England, UK
References
Hartley, J. (1984) A list of minerals associated with the ore deposits of the Caldbeck Fells, Cumbria. Transactions of the Leeds Geological Association, 10 (3) 22-39
Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London.
 
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