Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Lanarkite from
Red Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK


Locality type:Mine
Classification
Species:Lanarkite
Formula:Pb2(SO4)O
Comments:D. Middleton; J. Wolters Collection, det. Leeds Univ. & BM(NH): XRD.
Habit:minute tapering bladed crystals on altered galena
Colour:pale blue
Abundance at site:Very Rare
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
Associated Minerals Based on Photo Data:
Caledonite6
Leadhillite6
Data
Mineral Data:Click here to view Lanarkite data
Locality Data:Click here to view Red Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:16601
Long-form Identifier:1:3:16601:4
GUID (UUID V4):0
Nearest other occurrences of Lanarkite
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
1.1km (0.7 miles) ⓘHigher Roughton Gill (Balliway Rigg), Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
2.1km (1.3 miles) ⓘShort Grain, Deer Hills, Caldbeck, Allerdale, Cumbria, England, UK
3.3km (2.1 miles) ⓘDriggith Mine, Caldbeck, Allerdale, Cumbria, England, UK
56.5km (35.1 miles) ⓘDirt Pot Lead Smelt Mill slag locality, Allendale, Northumberland, England, UK
67.9km (42.2 miles) ⓘBollihope lead smelter slag locality, Stanhope, County Durham, England, UK
71.8km (44.6 miles) ⓘBollihope Smelt Mill slag locality, Stanhope, County Durham, England, UK
79.1km (49.2 miles) ⓘCastleside Smelting Mill slag locality, Healeyfield, County Durham, England, UK
References
Cooper, M.P., Green, D.I., Braithwaite, R.S.W. (1988) The occurrence of mattheddleite in the Caldbeck Fells, Cumbria: a preliminary note. UK Journal of Mines and Minerals 5, Rockbottom Publications. 21
Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London.
Stanley, Christopher J., Cooper, Michael P. (1991) Famous Mineral Localities: Pyromorphite-Group Minerals from the Caldbeck Fells, Cumbria, England. The Mineralogical Record, 22 (2) 105-121
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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