History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c18.s4.t2.14
History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c18.s4.t2.14
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v1.c18.s4.t2.14
Gandhaka (Sulphur), Tālaka (Orpiment), Śilā (Realgar), Sauraṣṭri (Alum), Khaga (Ferrous Sulphate), Gairika (Hematite), Rājāvarta (Lapis lazuli) and Kaṅkuṣṭha (Unidentified mineral).