Hi,
I'm looking to create my own 18kt gold, I'm hoping to create a deep yellow gold alloy. After researching some alloy recipes I've decided I'll take my chances on Gold 75%, Copper 15%, Silver 10%.
My question is, must I source pure copper and silver? I can of course find 999 'fine-silver' but I haven't seen any indications of purity for copper products. There appears to be no fine-silver or copper grain on Cooksongold. What am I supposed to use?
Many thanks.
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