History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c13.s2.t3.39
History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c13.s2.t3.39
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v1.c13.s2.t3.39
Cuprite - Cu2O Chalcopyrite - Cu.FeS2 Hydrated Blue Vitriol - CuSO4.5H2O