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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Azurite from
Old Potts Gill Mine, Potts Gill, Caldbeck, Allerdale, Cumbria, England, UK


Locality type:Mine
Classification
Species:Azurite
Formula:Cu3(CO3)2(OH)2
Comments:A small specimen in the Kingsbury Collection, BM(NH) shows small azurite crystals embedded in matted cyanotrichite fibres. Listed from here by Hartley (1984).
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Azurite data
Locality Data:Click here to view Old Potts Gill Mine, Potts Gill, Caldbeck, Allerdale, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:14749
Long-form Identifier:1:3:14749:9
GUID (UUID V4):0
Nearest other occurrences of Azurite
0.6km (0.4 miles) ⓘPotts Gill Copper Mine, Potts Gill, Caldbeck, Allerdale, Cumbria, England, UK
1.1km (0.7 miles) ⓘOld Sandbed Mine, Caldbeck, Allerdale, Cumbria, England, UK
1.5km (0.9 miles) ⓘDriggith Mine, Caldbeck, Allerdale, Cumbria, England, UK
2.0km (1.2 miles) ⓘDry Gill Mine, Caldbeck, Allerdale, Cumbria, England, UK
2.7km (1.7 miles) ⓘRoughton Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
3.2km (2.0 miles) ⓘThief Gills, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
3.2km (2.0 miles) ⓘHigher Roughton Gill (Balliway Rigg), Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
3.5km (2.2 miles) ⓘCarrock Mine, Mungrisdale, Eden, Cumbria, England, UK
9.0km (5.6 miles) ⓘGlenderaterra Valley, Threlkeld, Eden, Cumbria, England, UK
18.9km (11.7 miles) ⓘYewthwaite Mine, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK
References
Shaw, W. T. (1972) Mining in the Lake Counties (2nd ed.) Dalesman Books, Clapham, Lancaster.
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
Young, B. (1987) Glossary of the minerals of the Lake District and adjoining areas. British Geological Survey, Newcastle upon Tyne. 104pp.
Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London.
 
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