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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Caledonite from
Silver Gill, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK


08862770017367560468886.jpg
Caledonite

Silver Gill, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
08862770017367560468886.jpg
Caledonite

Silver Gill, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
07532650017271998038708.jpg
Caledonite

Silver Gill, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
Classification
Species:Caledonite
Formula:Pb5Cu2(SO4)3(CO3)(OH)6
Comments:From the 'Golden Hugh', probably of post-mining formation (D.R. Middleton, pers. comm.)
Habit:radiating bunches of minute, acicular crystals on decomposing sulphides.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Caledonite data
Locality Data:Click here to view Silver Gill, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:2745
Long-form Identifier:1:3:2745:8
GUID (UUID V4):0
Nearest other occurrences of Caledonite
0.3km (0.2 miles) ⓘThief Gills, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
0.4km (0.2 miles) ⓘHigher Roughton Gill (Balliway Rigg), Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
0.4km (0.3 miles) ⓘRoughton Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
0.7km (0.5 miles) ⓘRed Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
1.2km (0.7 miles) ⓘWet Smale Gill, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
1.5km (1.0 miles) ⓘBrae Fell Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
2.2km (1.4 miles) ⓘShort Grain, Deer Hills, Caldbeck, Allerdale, Cumbria, England, UK
2.3km (1.4 miles) ⓘBrandy Gill Mine, Mungrisdale, Eden, Cumbria, England, UK
3.1km (2.0 miles) ⓘDriggith Mine, Caldbeck, Allerdale, Cumbria, England, UK
3.5km (2.2 miles) ⓘOld Sandbed 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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