It was cut to 5.35 per cent from 14.35 per cent for gold and silver dore. On platinum, palladium, osmium, ruthenium, and Iridium, the levy was cut to 6.4 per cent from 15.4 per cent. The gems and ...

According to Wikipedia, a dore bar is a semi-pure alloy of gold and silver, usually created at the site of a mine. The bar is then transported to a refinery for further purification. The ...