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Lanarkite from
Roughton Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK

Locality type:Mine
Classification
Species:Lanarkite
Formula:Pb2(SO4)O
Comments:Cooper & Stanley (1990): "As pale sea-green blades and radiating sprays of crystal sections to 20 mm with leadhillite, from the outcrop workings on the South vein in higher Roughton Gill (Kingsbury Collection, BM(NH)). Recently found in situ in the same area forming thin grey laths to 2 mm with mattheddleite, leadhillite, caledonite, and scotlandite in pods of altered galena (D.I. Green in prep.)."
Habit:blades; radiating sprays of crystal sections to 20mm; thin laths to 2mm
Colour:pale sea-green; grey
Confirmation
Validity:Believed Valid
References
References: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. (referring to Hartley, 1984).;
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.
Data
Mineral Data:Click here to view Lanarkite data
Locality Data:Click here to view Roughton Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
Nearest other occurrences of Lanarkite
0.4km (0.3 miles) Silver Gill, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
0.6km (0.4 miles) Higher Roughton Gill (Balliway Rigg), Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
0.8km (0.5 miles) Red Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
1.3km (0.8 miles) Brae Fell Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
2.7km (1.7 miles) Driggith Mine (Driggeth Mine), Caldbeck, Allerdale, Cumbria, England, UK
55.9km (34.7 miles) Dirt Pot Lead Smelt Mill slag locality, Allendale, Northumberland, England, UK
67.2km (41.8 miles) Bollihope lead smelter (Bollihope Common) slag locality, County Durham, England, UK
71.1km (44.2 miles) Bollihope Smelt Mill (Bishopley) slag locality, Bollihope District, County Durham, England, UK
89.8km (55.8 miles) Horners Vein (Jeffrey's Vein; Carse's Vein), Leadhills, South Lanarkshire, Scotland, UK
90.0km (55.9 miles) Sarrowcole Vein, Laverock Hall, Leadhills, South Lanarkshire, Scotland, UK
 
Mineral and/or Locality  
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