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

Description
Comments:Cryptomelane is a constituent of the brownish coloured manganese oxides in the outer zones of some manganese pods at Merehead.
Habit:massive, granular to fibrous
Colour:brown
UV Fluorescence:none
Quality of samples:not specified / average specimens
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
References
References: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 Cryptomelane data
Locality Data:Click here to view Torr Works Quarry (Merehead Quarry), Cranmore, Somerset, England, UK
Mineral and/or Locality
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