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Duftite from
Brandy Gill Mine, Mungrisdale, Eden, Cumbria, England, UK

Locality type:Mine
Classification
Species:Duftite
Formula:PbCu(AsO4)(OH)
Comments:occasionally as epimorphs/pseudomorphs after small mimetite crystals (Cooper & Stanley, 1990-1991)
Habit:thin botryoidal coatings
Colour:pale emerald green to deep moss green
Confirmation
Validity:Believed Valid
References
References:Claringbull, G.F. (1951) New occurrences of duftite. Mineralogical Magazine, 29, 609-614.;
Davidson, W.F. and Thomson, N. (1951) Some notes on the minerals of Westmorland and Cumberland. North West Naturalist, 23 (for 1948), 136-154.;
Kingsbury, A.W.G. and Hartley, J. (MS) (1951) New occurrences of rare minerals in the northern part of the English Lake District: part 1.;
Guillemin, C. (1956) Contribution à la minéralogie des arséniates, phosphates et vanadates de cuivre. Bulletin de la Société Française de Minéralogie et Crystallographie, 79, 7-95.;
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.;
Cooper, M.P. and Stanley, C.J. (1990) Minerals of the English Lake District: Caldbeck Fells. Natural History Museum Publications, London, 160 pp.;
Cooper, M.P. and Stanley, C.J. (1991) Famous mineral localities: Pyromorphite group minerals from the Caldbeck Fells, Cumbria, England. Mineralogical Record, 22(2), 105-121 (referring to Hartley, 1984).;
Clark, A.M. (1993) Hey's Mineral Index: mineral species, varieties and synonyms.
Data
Mineral Data:Click here to view Duftite data
Locality Data:Click here to view Brandy Gill Mine, Mungrisdale, Eden, Cumbria, England, UK
Nearest other occurrences of Duftite
0.8km (0.5 miles) Arm O'Grain, Coombe Height, Mungrisdale, Eden, Cumbria, England, UK
1.6km (1.0 miles) Driggith Mine (Driggeth Mine), Caldbeck, Allerdale, Cumbria, England, UK
2.0km (1.3 miles) Low Pike north slopes, Caldbeck, Allerdale, Cumbria, England, UK
2.2km (1.4 miles) Old Sandbed Mine (Old Sandbeds Mine), Caldbeck, Allerdale, Cumbria, England, UK
2.7km (1.7 miles) Old Potts Gill Mine, Potts Gill, Caldbeck, Allerdale, Cumbria, England, UK
91.8km (57.0 miles) Whytes Cleuch, Wanlockhead, Dumfries and Galloway, Scotland, UK
 
Mineral and/or Locality  
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