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  Cubic Zirconia - Tanzanite - Trillion
Cubic Zirconia - Tanzanite - 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.
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Synthesized Cubic Zirconia (or CZ) is hard, optically flawless and can be made in a variety of different colors.

Item# Item Name Price Qty Add
CZF-607 CZ - Tanzanite - Trillion 4mm - Pkg - 4
CZF-610 CZ - Tanzanite - Trillion 5mm - Pkg - 4
CZF-608 CZ - Tanzanite - Trillion 6mm - Pkg - 2
CZF-609 CZ - Tanzanite - Trillion 8mm - Pkg - 1
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Cubic Zirconia Tanzanite

Carbon Fire only at 1110F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.