Minerals and Metals in Ancient India v1.c28.s7.t5.4
Minerals and Metals in Ancient India v1.c28.s7.t5.4
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v1.c28.s7.t5.4
The Gupta Period gold coins with dates between AD 375 to 467 assayed 74-77.5 per cent gold alloyed with 22.5-26 per cent silver, and contained trace of iron. (Bhardwaj 1979: 127) A silver coin belonging to AD 900. Rājghāt assayed 61.5 per cent Ag, 32.1 Cu, 0.57 Sn, 0.54 Fe, 0.5 Pb, 0.5 Ni, 0.2 S and some CaO and insoluble component. The coin also contained trace of bismuth. (Bhardwaj, 1979: 109)