Topics: Gemstone Safety with Art Clay® Silver

I have a small star sapphire and I wanted to make it into a ring using the Art Clay Silver. The gem chart that lists the characteristics of gemstones and indicates which ones are safe to fire in a kiln, lists normal sapphires but it doesn't list star sapphires. Is it safe to fire them in place or do they need to be set after the piece has been fire?

- Caitlin
It isn't safe to fire star sapphires in a kiln as they will crumble to dust due to the extreme heat and nature of a star sapphire. You will need to create your design so the stone can be set after the piece is fired.


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