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Art Req Limited
Davy’s Grey, Oxford Mudstone
Native earth, from North Oxfordshire mudstone. Extracted from working quarry in lump form. Carefully pulverised to 50micron. Gentle, pale green-grey as a wash, showing very slight granulation. Very transparent. Can be used to moderate strong colours – adding perhaps 80% Davy’s Grey to 20% synthetic colour (e.g. Horton Blue) to control staining pigments.