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
Castle Nook Mine, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK


Locality type:Mine
Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Castle Nook Mine, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:15422
Long-form Identifier:1:3:15422:2
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
0.6km (0.4 miles) ⓘDale Head Mine, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK
1.5km (0.9 miles) ⓘGoldscope Mine, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK
1.7km (1.1 miles) ⓘGoat Crag, Borrowdale, Allerdale, Cumbria, England, UK
1.7km (1.1 miles) ⓘDale Head North, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK
2.2km (1.4 miles) ⓘLittle Mine Crag, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK
2.2km (1.4 miles) ⓘCopper Plate Mine, Borrowdale, Allerdale, Cumbria, England, UK
2.5km (1.5 miles) ⓘBlack Crag, Above Derwent, Allerdale, Cumbria, England, UK
2.7km (1.7 miles) ⓘYewthwaite Mine, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK
2.7km (1.7 miles) ⓘManesty Vein, Grange, Borrowdale, Allerdale, Cumbria, England, UK
3.3km (2.1 miles) ⓘFleetwith Pike, Buttermere, Allerdale, Cumbria, England, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
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