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


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Torr Works Quarry (Merehead Quarry), Cranmore, Somerset, England, UK
© Ian Jones
Description
Type Locality:Torr Works Quarry (Merehead Quarry), Cranmore, Somerset, England, UK is the type locality for Mereheadite
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
UV Fluorescence:occasionally yellow-green (SW) but this may be due to impurities
Quality of samples:Excellent - world class for species or very significant. (!!)
Rarity at site:Very Rare
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
SEM-EDS
References
References:[Min.Mag.(1998) 62, 387-393; J. Russel Soc 2:2 p29]; Turner, R.W., (2005) A New Find of Lead Oxychlorides at Torr Works, Somerset. Russell Society Newsletter, No. 47, September 2005; Turner, R.W., (2006) A Mechanism for the formation of the Mineralised Mn Deposits at Merehead Quarry, Cranmore, Somerset, England. Min. Mag. vol. 70, no. 6, pp 629 - 653
Data
Mineral Data:Click here to view Mereheadite data
Locality Data:Click here to view Torr Works Quarry (Merehead Quarry), Cranmore, Somerset, England, UK
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