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Lanarkite from
Higher Roughton Gill (Balliway Rigg), Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK

Classification
Species:Lanarkite
Formula:Pb2(SO4)O
Comments:Green et al. (2008): "The specimen in the Kingsbury collection at the NHM is described by Cooper and Stanley (1990) and comprises radiating sprays and crystal sections to 20 mm with leadhillite. In common with the Brae Fell specimens, it is almost certainly a fragment of an old specimen from the Leadhills-Wanlockhead district in Scotland. It is amazingly large, a single isolated example, strongly resembles Leadhills specimens and is unlike anything ever collected by anyone else at Roughton Gill."
Habit:lath-like
Colour:colourless to white
Confirmation
Validity:Believed Valid
References
References:BMS Database;
Hartley, J. (1984) A list of minerals associated with the ore deposits of the Caldbeck Fells, Cumbria. Transactions of the Leeds Geological Association, 10, 22-39.
Green, D.I. (1989) Scotlandite from Higher Roughton Gill, Caldbeck Fells, Cumbria. Mineralogical Magazine, vol. 53, n° 373, 653.;
Cooper, M.P. and Stanley, C.J. (1990) Minerals of the English Lake District: Caldbeck Fells. British Museum (Natural History), London.;
Green, D.I., Bridges, T.F., Rumsey, M.S., Leppington, C.M., and Tindle, A.G. (2008) A review of the mineralogy of the Roughton Gill Mines, Caldbeck Fells, Cumbria: Part 2 The Roughton Gill South Vein on Balliway Rigg. Journal of The Russell Society, vol. 11, 3-28.
Data
Mineral Data:Click here to view Lanarkite data
Locality Data:Click here to view Higher Roughton Gill (Balliway Rigg), Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
Nearest other occurrences of Lanarkite
0.4km (0.2 miles) Silver Gill, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
0.6km (0.4 miles) Roughton Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
1.1km (0.7 miles) Red Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
1.8km (1.1 miles) Brae Fell Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
3.1km (1.9 miles) Driggith Mine (Driggeth Mine), Caldbeck, Allerdale, Cumbria, England, UK
56.1km (34.9 miles) Dirt Pot Lead Smelt Mill slag locality, Allendale, Northumberland, England, UK
67.3km (41.8 miles) Bollihope lead smelter (Bollihope Common) slag locality, County Durham, England, UK
71.2km (44.3 miles) Bollihope Smelt Mill (Bishopley) slag locality, Bollihope District, County Durham, England, UK
90.3km (56.1 miles) Horners Vein (Jeffrey's Vein; Carse's Vein), Leadhills, South Lanarkshire, Scotland, UK
90.5km (56.2 miles) Sarrowcole Vein, Laverock Hall, Leadhills, South Lanarkshire, Scotland, UK
 
Mineral and/or Locality  
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