History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c18.s4.t4.22
History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c18.s4.t4.22
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v1.c18.s4.t4.22
In *Minerals* : Mica, Lapis Lazuli, Tourmaline, Copper Sulphate, Iron pyrite, Bitumen/Mineral Pitch, Zincite, Chalcopyrite, Sulphur, Orpiment, Alum, Realgar, Galena, *Kankuṣṭha* (Unidentified mineral), Green Vitriol, Hematite, Arsenic, Ammonium Chloride, Cowry, Amber, Red Oxide of Mercury, Cinnabar and litharge are described.