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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Rosasite from
Old Potts Gill Mine, Potts Gill, Caldbeck, Allerdale, Cumbria, England, UK


Locality type:Mine
Classification
Species:Rosasite
Formula:(Cu,Zn)2(CO3)(OH)2
Comments:Kingsbury reference. Kingsbury & Hartley (1957): "A copper vein near Potts Gill, Caldbeck."

Cooper & Stanley (1990): "Although Kingsbury & Hartley (1957) give the locality as 'a copper vein near Potts Gill', unpublished MS notes by Kingsbury make it clear that the locality was the old No. 1 level dump of Old Potts Gill mine (see also Hartley, 1984)."
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Rosasite data
Locality Data:Click here to view Old Potts Gill Mine, Potts Gill, Caldbeck, Allerdale, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:17523
Long-form Identifier:1:3:17523:4
GUID (UUID V4):0
Nearest other occurrences of Rosasite
1.1km (0.7 miles) ⓘOld Sandbed Mine, Caldbeck, Allerdale, Cumbria, England, UK
1.5km (0.9 miles) ⓘDriggith Mine, Caldbeck, Allerdale, Cumbria, England, UK
2.7km (1.7 miles) ⓘRoughton Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
3.1km (1.9 miles) ⓘSilver Gill, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
3.2km (2.0 miles) ⓘHigher Roughton Gill (Balliway Rigg), Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
22.6km (14.0 miles) ⓘEagle Crag Mine, Patterdale, Eden, Cumbria, England, UK
23.1km (14.4 miles) ⓘRuthwaite Lodge Vein, Patterdale, Eden, Cumbria, England, UK
25.7km (16.0 miles) ⓘMyers Head Mine, Hartsop, Patterdale, Eden, Cumbria, England, UK
46.3km (28.8 miles) ⓘHilton Mine, Scordale, Murton, Eden, Cumbria, England, UK
54.6km (33.9 miles) ⓘClosehouse Mine, Lunedale, County Durham, England, UK
References
Kingsbury, Arthur W. G., Hartley, J. (1957) New occurrences of rosasite in Britain. Mineralogical Magazine and Journal of the Mineralogical Society, 31 (237). 501-502 doi:10.1180/minmag.1957.031.237.14
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., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London.
 
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