An individual stone, either natural corundum, lab grown corundum, or cubic zirconia. Push them into the wet clay, and fire with the stone in place. Beautiful stones - they are top quality cut.
All of our kiln-safe stones are test fired up to 800°C
These really are very pretty stones!
The stone sat in my kiln for 3 hours; 2 hours in temperature 899 C. Came out perfectly fine. I was worried that it would not last the high temp for that long. But all was fine and I can start using them with confidence now :)
These really are very pretty stones and a good colour, must try some more.
bought this to put in a heart fingerpring charm the colour was beautiful and quality first class