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


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Torr Works Quarry (Merehead Quarry), Cranmore, Somerset, England, UK
© Rick Turner, 2006
Description
Comments:Recently (October 2006) identified from manganese pods found on benches F and G at the southwestern end of the quarry. Locally present in some quantity, with exceptional xls up to 5mm in length.
Habit:Blades and plates in matrix; sometimes as equant to elongated bladed xls in cavities.
Colour:black with a reddish internal tint; sometimes dark brown
UV Fluorescence:none
Quality of samples:Good crystals or rich for species - important (!)
Rarity at site:Rare
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
EPMA
SEM-EDS
References
References:Turner, R. (2006): A mechanism for the formation of the mineralized Mn deposits at Merehead Quarry, Cranmore, Somerset, England. Mineralogical Magazine 70, 629-653; Turner R.W. and Rumsey, M.S. (2007) Merehead Mineralogy - an Update. Russell Soc Newsletter, No 50, pp 17-18 (March 2007); 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 Kentrolite data
Locality Data:Click here to view Torr Works Quarry (Merehead Quarry), Cranmore, Somerset, England, UK
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