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History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c36.s7.4

History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c36.s7.4

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English

c36.s7.4

The typical characters which, according to Garudapurana, are most relied upon for differentiating one species of gem from another are (1) the relative weight, (2) hardness, (3) lustre, transparency and colour, (4) fusibility, specially when heated in combination with alkalies

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