Minerals and Metals in Ancient India v1.c26.s2.6

v1.c26.s2.6

They also say that amongst the Indians the bronze is so bright, clean and free from corrosion that it is indistinguishable from gold, but that amongst the cups of Darius there is a considerable number that could not be distinguished from gold or bronze except by colour. (quoted by Craddock, 1978: 8)