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

Description
Comments:One of the major pod-forming Mn-oxides.
Habit:massive, powdery, xls to ~5mm
Colour:black
UV Fluorescence:none
Quality of samples:not specified / average specimens
Rarity at site:Common
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
SEM-EDS
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 Pyrolusite data
Locality Data:Click here to view Torr Works Quarry (Merehead Quarry), Cranmore, Somerset, England, UK
Mineral and/or Locality
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