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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Arsenopyrite from
Goldscope Mine, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK


Locality type:Mine
Classification
Species:Arsenopyrite
Formula:FeAsS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Arsenopyrite data
Locality Data:Click here to view Goldscope Mine, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:14645
Long-form Identifier:1:3:14645:4
GUID (UUID V4):0
Nearest other occurrences of Arsenopyrite
0.8km (0.5 miles) ⓘLittle Mine Crag, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK
1.5km (0.9 miles) ⓘCastle Nook Mine, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK
1.6km (1.0 miles) ⓘYewthwaite Mine, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK
1.6km (1.0 miles) ⓘBlack Crag, Above Derwent, Allerdale, Cumbria, England, UK
2.1km (1.3 miles) ⓘDale Head Mine, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK
2.1km (1.3 miles) ⓘCopper Plate Mine, Borrowdale, Allerdale, Cumbria, England, UK
2.2km (1.4 miles) ⓘManesty Vein, Grange, Borrowdale, Allerdale, Cumbria, England, UK
3.1km (1.9 miles) ⓘCobalt Mine, Scar Crag, Causey Pike, Above Derwent, Allerdale, Cumbria, England, UK
3.2km (2.0 miles) ⓘScar Crags, Coledale, Above Derwent, Allerdale, Cumbria, England, UK
3.2km (2.0 miles) ⓘDale Head North, Newlands Valley, Above Derwent, Allerdale, Cumbria, 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.
 
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