History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c27.s1.14
History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c27.s1.14
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- English
c27.s1.14
Pyrites is of two kinds—golden and silvery : the former is a native of Kanouj and is of golden yellow colour. The silvery pyrites is associated with stones and is of inferior quality