Copper in Ancient India c12.s1.3

c12.s1.3

As regards Vimala it is difficult to identify it, which is described to be of three varieties according to their colours—golden, silvery and bronze-like. They are described as rounded and having angles and facets and would yield copper when heated with borax and organic substances. The description would tally in many respects with copper glance, a variety of copper pyrites which does not contain iron sulphide.