History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c20.s3.1
History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c20.s3.1
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c20.s3.1
Vaikrānta (a mineral resembling diamond, spinel ?), kānta ‘a variety of iron’, sasvaka (‘blue vitriol’), mākshika ‘pyrites’, vimala ‘a variety of pyrites’, adri (‘bitumen ?’ *darada* ‘cinnabar’, *rasaka* ‘calamine’—these are the 8 *rasas*, and their essences are well suited for chemical operations.