Q: I want to use copper spacers and clasps in some of my necklaces, and wonder if when people wear them, will their skin turn green? Is it okay to mix gold and copper?
Ask the Experts Metal Patinas Q&A
Q: From what I have read, liver of sulfur turns copper dark or black. I want to take hardened copper and give it the blue-green look it might have developed after being out to sea. Is there a product you can recommend?