Firing Cubic Zirconias in Metal Clay
by Tammy Honaman, Author, Jewelry-Making Expert and Educator, Exclusively for Fire Mountain Gems and Beads®
In this chart, learn appropriate firing temperatures and times when designing with metal clay and cubic zirconia stones. Firing temperatures and times vary according to the color of cubic zirconia being used; certain colors will not withstand any firing in metal clay designs.
| 1110°F/30 minutes | 1110°F/2 hours | 1200°F/20 minutes | 1290°F/10 minutes | 1470°F/30 minutes | 1560°F/20 minutes | 1650°F/10 minutes | |
Alexandrite purple |
Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Amethyst purple |
Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Aqua blue |
No | No | No | No | No | No | No |
Champagne |
Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Emerald green |
Yes | No | No | No | No | No | No |
Garnet red |
Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Lavender |
Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Orange |
Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Peridot green |
Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Pink |
Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Ruby red |
Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Sapphire rose |
Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Spinel blue |
No | No | No | No | No | No | No |
Spinel white |
Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Topaz gold |
Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Zircon blue |
No | No | No | No | No | No | No |
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