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
Deer Hills Baryte Mine, Deer Hills, Caldbeck, 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 Deer Hills Baryte Mine, Deer Hills, Caldbeck, Allerdale, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:14640
Long-form Identifier:1:3:14640:9
GUID (UUID V4):0
Nearest other occurrences of Arsenopyrite
0.4km (0.3 miles) ⓘDeer Hills, Caldbeck, Allerdale, Cumbria, England, UK
0.6km (0.4 miles) ⓘIngray Gill, Caldbeck, Allerdale, Cumbria, England, UK
0.6km (0.4 miles) ⓘOld Potts Gill Mine, Potts Gill, Caldbeck, Allerdale, Cumbria, England, UK
0.7km (0.4 miles) ⓘEast Potts Gill Mine, Potts Gill, Caldbeck, Allerdale, Cumbria, England, UK
0.7km (0.4 miles) ⓘPotts Gill Copper Mine, Potts Gill, Caldbeck, Allerdale, Cumbria, England, UK
0.8km (0.5 miles) ⓘShort Grain, Deer Hills, Caldbeck, Allerdale, Cumbria, England, UK
1.1km (0.7 miles) ⓘNether Row Brow, Caldbeck, Allerdale, Cumbria, England, UK
1.3km (0.8 miles) ⓘDumpy Stone Level, Caldbeck, Allerdale, Cumbria, England, UK
1.7km (1.1 miles) ⓘOld Sandbed Mine, Caldbeck, Allerdale, Cumbria, England, UK
2.0km (1.2 miles) ⓘDriggith Mine, Caldbeck, Allerdale, Cumbria, England, UK
References
Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London.
 
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