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What does cz on jewelry mean?

Updated: 9/17/2023
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Wiki User

13y ago

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Cubic zirconia (CZ) is the cubic crystalline form of zirconium dioxide (ZrO2). The synthesized material is hard, optically flawless and usually colorless, but may be made in a variety of different colors. Hardness: cubic zirconia has a rating of approximately 8 on Mohs hardness scale vs. a rating of 10 for diamond. cubic zirconia gemstones may be cut differently from diamonds. The facet edges can be rounded or "smooth". Source: Wikipedia

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8y ago
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13y ago

Cubic Zirconium

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