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Langite from
Red Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK


Locality type:Mine
Classification
Species:Langite
Formula:Cu4(SO4)(OH)6 · 2H2O
Comments:Associated with caledonite, brochantite and/or covellite on fractured surfaces of a grey copper sulphide. (Det. Leeds Univ.: XRD, D.I. Green, pers. comm.)
Habit:pseudohexagonal crystals and anhedral flakes
Colour:deep royal blue
Abundance at site:Very Rare
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
Data
Mineral Data:Click here to view Langite data
Locality Data:Click here to view Red Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:16617
Long-form Identifier:1:3:16617:5
GUID (UUID V4):0
Nearest other occurrences of Langite
0.7km (0.5 miles) ⓘSilver Gill, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
0.8km (0.5 miles) ⓘRoughton Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
0.9km (0.6 miles) ⓘBrae Fell Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
1.0km (0.6 miles) ⓘMexico Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
3.3km (2.1 miles) ⓘPotts Gill Copper Mine, Potts Gill, Caldbeck, Allerdale, Cumbria, England, UK
3.3km (2.1 miles) ⓘDriggith Mine, Caldbeck, Allerdale, Cumbria, England, UK
3.6km (2.2 miles) ⓘOld Sandbed Mine, Caldbeck, Allerdale, Cumbria, England, UK
7.1km (4.4 miles) ⓘSaddleback Old Mine, Mungrisdale, Eden, Cumbria, England, UK
7.6km (4.7 miles) ⓘBrundholme Mine (Glenderaterra Mine; Blencathra Mine), Glenderaterra Valley, Threlkeld, Eden, Cumbria, England, UK
15.0km (9.3 miles) ⓘStoneycroft Smelter slag locality, Above Derwent, 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.
Bridges, T.F., Green, D.I., Rumsey, M.S., Leppington, C.M. (2008) A review of the mineralisation at Red Gill Mine, Caldbeck Fells, Cumbria, England. Journal of the Russell Society, 11. 29-47
 
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