For stirring gold, silver, and other alloys in crucibles while melting. High heat resistant graphite rods to stir molten metal in crucibles or dishes.
The jewellers and gold refiners use these carbon stirring rods durning the melting of the gold, silver, copper metals, to name a few.
Just place the metal into your crucible, once the metal is molten stir, and this rod will attract the impurities leaving you with a clean melt.