History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c28.s1.5
History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c28.s1.5
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c28.s1.5
*Gairika* (red ochre) is of two kinds. the one, *pashana gairika*, is hard and copper-coloured ; the other is *swarna gairika*, i.e. of the colour of gold (yellow). 46