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  Cubic Zirconia - Fire Opal - Trillion
Cubic Zirconia - Fire Opal - Trillion


Rated AAA, our lab created cubic zirconias are as beautiful as natural diamonds. Our high quality, calibrated CZs are precision cut and perfect for any setting, or to embed directly into metal clay.

Available in a variety of shapes, sizes and colors, get the sparkle and shine of diamonds with these beautiful, affordable stones.

Click here to download a PDF version of our firing guide.

Brilliant sparkle, uniform colors and precision cuts!

Item# Item Name Price Qty Add
CZF-308 CZ - Fire Opal - Trillion 4mm - Pkg - 4
CZF-309 CZ - Fire Opal - Trillion 6mm - Pkg - 2
CZF-328 CZ - Fire Opal - Trillion 8mm - Pkg - 1
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Cubic Zirconia Fire Opal

Open Fire or Carbon Fire at 1560F / 20 min. May be fired up to 2 hours at 1650F, but color will fade slightly. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.