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Ardennite-(As) from
Torr Works Quarry (Merehead Quarry), Cranmore, Somerset, England, UK

Description
Comments:Two specimens of Ardennite were found in 1977 by Chris Parkinson in blocks of loose vein quartz near the #1 and #2 veins. Although written up at the time by Bob Symes the paper was never published. Visually very similar to Salm-Chateau material, the chemistry is quite different, being As-rich and V-poor.
Habit:aggregates of prismatic crystals
Colour:lemon to honey yellow, sometimes appearing mid-brown due to oxide coatings
UV Fluorescence:n/a
Quality of samples:not specified / average specimens
Rarity at site:Very Rare
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
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 Ardennite-(As) data
Locality Data:Click here to view Torr Works Quarry (Merehead Quarry), Cranmore, Somerset, England, UK
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