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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Chalcopyrite from
Dale Head Mine, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK


Locality type:Mine
Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Pyrite14
Arsenopyrite13
Sphalerite8
Pyrrhotite7
Galena3
Native Bismuth3
Bismuthinite3
Rutile2
Chlorite Group2
Marcasite1
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Dale Head Mine, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:15430
Long-form Identifier:1:3:15430:1
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
0.6km (0.4 miles) ⓘCastle Nook Mine, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK
1.2km (0.7 miles) ⓘDale Head North, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK
1.5km (0.9 miles) ⓘGoat Crag, Borrowdale, Allerdale, Cumbria, England, UK
2.1km (1.3 miles) ⓘGoldscope Mine, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK
2.4km (1.5 miles) ⓘCopper Plate Mine, Borrowdale, Allerdale, Cumbria, England, UK
2.7km (1.7 miles) ⓘLittle Mine Crag, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK
2.9km (1.8 miles) ⓘBlack Crag, Above Derwent, Allerdale, Cumbria, England, UK
3.0km (1.8 miles) ⓘManesty Vein, Grange, Borrowdale, Allerdale, Cumbria, England, UK
3.0km (1.9 miles) ⓘFleetwith Pike, Buttermere, Allerdale, Cumbria, England, UK
3.1km (1.9 miles) ⓘYewthwaite Mine, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
and/or  
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