Cubic Zirconia CZ 8x10mm Oval

Cubic zirconia faceted gemstones for firing in metal clay.

These fireable stones are perfect for embedding into metal clay and firing in place. However, please note that some colors are unstable and may change in firing. It is recommended to fire blues and greens at low temperatures or in carbon environments. 

Below is a list of our tested firing:

1650f for 1 hour:

Garnet, Orange, Pink, Champagne, Golden Yellow, Lavender, Clear, Sapphire, Olive, Violet, Ruby, Peridot

1500f in carbon 1 hour:

Topaz Blue and Aquamarine

1400f for 15 minutes:

Emerald and Black

1100f in carbon 15 minutes:

Tanzanite