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Queitite from
Red Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK

Locality type:Mine
Classification
Species:Queitite
Formula:Pb4Zn2(SO4)(SiO4)(Si2O7)
Comments:Cooper & Stanley (1990): This exceedingly rare mineral, previously reported only from Tsumeb, Namibia, was found on one small specimen collected from the No. 2 (Old Dutch) level dumps in 1987 by M. Rothwell. It forms thin, white, radiating-fibrous crusts with a minutely botryoidal surface on small susannite crystals in massive cerussite, associated with a scattering of later caledonite. Queitite was identified by XRD (BM(NH) and IR (UMIST). The habit is completely different from type material (Braithwaite et al., 1989)."
Colour:white
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
Infrared Spectroscopy
References
References:Braithwaite, R.S.W., Cooper, M.P., and Hart, A.D. (1989) Queitite, a mineral new to Britain, from the Caldbeck Fells, Cumbria. Mineralogical Magazine, 53(372), 508-509.;
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 Braithwaite et al., 1989).;
Jackson, B. (1990) Queitite, a first Scottish occurrence. Scottish Journal of Geology, 26(1), 57-58.;
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., Rumsey, M.S., and 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.
Data
Mineral Data:Click here to view Queitite data
Locality Data:Click here to view Red Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
Nearest other occurrences of Queitite
89.3km (55.5 miles) Horners Vein (Jeffrey's Vein; Carse's Vein), Leadhills, South Lanarkshire, Scotland, UK
 
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