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

Locality type:Mine
Classification
Species:Lanarkite
Formula:Pb2(SO4)O
Comments:Cooper & Stanley (1990): "The record by Young (1987) of lanarkite with leadhillite from Brae Fell in the NMW Collection is an error (R.E. Bevins, pers. comm.)."

Green et al. (2008): The first claim of lanarkite in the Caldbeck Fells was made by Arthur Kingsbury, who described three small specimens from Brae Fell Mine in an unpublished manuscript on the minerals of the northern Lake District in 1951: these were examined in detail by Bridges et al. (2006) who consider it unlikely that they are from Brae Fell Mine and therefore that they are fraudulent."
Habit:bladed or fibrous aggregates
Colour:colourless to greyish white
Confirmation
Validity:Unconfirmed/Questioned
References
References: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.;
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.;
Young, B. (1987) Glossary of the minerals of the Lake District and adjoining areas. British Geological Survey, Newcastle upon Tyne, 104 pp.;
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 Kingsbury and Hartley, 1951, Hartley, 1984, and Young, 1987).;
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.;
Bridges, T.F., Green, D.I., and Rumsey, M.S. (2006) A review of the mineralogy of Brae Fell Mine, Caldbeck Fells, Cumbria. Journal of the Russell Society, 9, 39-44.;
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, 11, 3-28.;
Wilson, W.E. (2010) The Lindsay Greenbank Collection: classic minerals of northern England. Supplement to Mineralogical Record 41(1), 21-45.
Data
Mineral Data:Click here to view Lanarkite data
Locality Data:Click here to view Brae Fell Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
Nearest other occurrences of Lanarkite
0.9km (0.6 miles) Red Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
1.3km (0.8 miles) Roughton Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
1.5km (1.0 miles) Silver Gill, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
1.8km (1.1 miles) Higher Roughton Gill (Balliway Rigg), Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
3.0km (1.9 miles) Driggith Mine (Driggeth Mine), Caldbeck, Allerdale, Cumbria, England, UK
56.1km (34.8 miles) Dirt Pot Lead Smelt Mill slag locality, Allendale, Northumberland, England, UK
67.6km (42.0 miles) Bollihope lead smelter (Bollihope Common) slag locality, County Durham, England, UK
71.5km (44.4 miles) Bollihope Smelt Mill (Bishopley) slag locality, Bollihope District, County Durham, England, UK
88.6km (55.0 miles) Horners Vein (Jeffrey's Vein; Carse's Vein), Leadhills, South Lanarkshire, Scotland, UK
88.8km (55.2 miles) Sarrowcole Vein, Laverock Hall, Leadhills, South Lanarkshire, Scotland, UK
 
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