if you have some scrap gold on your hands and want to insure it comes out evenly coloured , bright and malleable -the first thing to do is pass a magnet over the scrap and filings.( If you have solder below...
What is PMC?Precious Metal Clay (PMC) is an innovative development in the handling of precious metals. PMC consists of microscopic particles of silver or gold suspended in a binder to create a pliable material...