Minerals and Metals in Ancient India v1.c22.s3.3

v1.c22.s3.3

In several gold samples, the surfaces were decorated with fine granules, the technique of granulation being known and widely practised in the ancient Greece and Near East. The gold granules were made by precipitating the molten metal in small sizes, soldering with an alloy of gold and copper, and removing the copper by heating it in sal-ammoniac.