Can I combine silver PMC and gold PMC to make a karat gold alloy?
You can combine any proportions of pure silver with pure gold. 14 karat is defined as 14/24s pure gold. If you work out the fraction, this comes to 58.3% gold. 18 karat is 18/24s, or 3/4ths gold. In the case of traditional jewelry, the part of the 14K alloy that is not gold is usually a mix of silver and copper. This blend yields the most yellow “gold-like” color. If the balance is dominantly copper, the result is called rose or pink gold. If the non-gold part is silver, the result is green gold. This is what you’ll be making when you combine silver PMC with gold PMC. Now, be warned. At the 14K proportions, the result is a pale gold color that not everyone will find appealing (i.e., worth the cost). It is a pale, yellow-green gold, that some would describe as a dull silver. I don’t think you want to spend a lot of money to make the silver look dull. At the 18K level, where you mix one-fourth silver to three-fourths gold, the result is a bright, clearly green gold that most people would
