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Mereheadite from
Torr Works Quarry (Merehead Quarry), Cranmore, Mendip, Somerset, England, UK

Locality type:Quarry
Comments:Originally from manganese-rich pods along 'Vein 2' and from loose blocks believed to have been derived from 'Vein 1'. Recently found in manganese pods on benches F and G in 2005 and 2006 respectively.
Habit:massive; occasionally crude xls but these are very, very rare
Colour:yellow orange to reddish brown
Luminescent properties:occasionally yellow-green (SW) but this may be due to impurities
Quality for species:Excellent - world class for species or very significant. (!!)
Abundance at site:Very Rare
Validity:Valid - Type Locality
References:Alabaster, C. (1989) The Wesley Mine; a further occurrence of manganese-oxide hosted lead oxychloride minerals in the Bristol District. Journal of the Russell Society: 2(2): 29-47.;
Welch, M.D., Criddle, A.J., and Symes, R.F. (1998) Mereheadite, Pb2O(OH)Cl: a new litharge-related oxychloride from Merehead Quarry, Cranmore, Somerset. Mineralogical Magazine: 62: 387-393.;
Jambor, J.L., Pertsev, N.N., and Roberts, A.C. (1999) New mineral names. American Mineralogist: 84: 1195-1198.;
Turner, R.W. (2005) A new find of lead oxychlorides at Torr Works, Somerset. Russell Society Newsletter: 47 (September 2005).;
Turner, R.W. (2006) A mechanism for the formation of the mineralised Mn deposits at Merehead Quarry, Cranmore, Somerset, England. Mineralogical Magazine: 70(6): 629-653.;
Krivovichev, S.V., Turner, R.W., Rumsey, M.S., Siidra, O.I., and Kirk, C.A. (2009) The crystal structure and chemistry of mereheadite. Mineralogical Magazine: 73: 75-89.;
Turner, R.W. and Rumsey, M.S. (2010) Mineral relationships in the Mendip Hills. Journal of the Russell Society: 13: 3-46.;
Associated Minerals Based on Photo Data:
Mendipite15 photos of Mereheadite associated with Mendipite at this locality.
Chloroxiphite10 photos of Mereheadite associated with Chloroxiphite at this locality.
Rickturnerite9 photos of Mereheadite associated with Rickturnerite at this locality.
Crednerite7 photos of Mereheadite associated with Crednerite at this locality.
Plumbonacrite3 photos of Mereheadite associated with Plumbonacrite at this locality.
Parkinsonite3 photos of Mereheadite associated with Parkinsonite at this locality.
Diaboleite3 photos of Mereheadite associated with Diaboleite at this locality.
Hydrocerussite2 photos of Mereheadite associated with Hydrocerussite at this locality.
Symesite2 photos of Mereheadite associated with Symesite at this locality.
Calcite1 photo of Mereheadite associated with Calcite at this locality.
Mineral Data:Click here to view Mereheadite data
Locality Data:Click here to view Torr Works Quarry (Merehead Quarry), Cranmore, Mendip, Somerset, England, UK
Photo GalleryView Gallery (4 photos)
Nearest other occurrences of Mereheadite
36.3km (22.5 miles) Wesley Mine (Didsbury College Mine), Westbury on Trym, Bristol, England, UK
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