A: Cubic Zirconia (or CZ) is zirconium oxide (ZrO2 ), is widely synthesized for use as a diamond simulant and it is a lab made created stone with a specific gravity of between 5.6-6.00 and at about 8.5 hardness on Mohs scale, which is harder than most natural gems. Its refractive index is high at 2.15 - 2.18 (B-G interval) and its luster is very good. Its dispersion is very high at 0.058 - 0.066, exceeding that of diamond (0.044).
Cubic Zirconia Gemstones is the best stimulant for the Real diamond, it's beautiful and brilliant for the Jewelry designs.
At Fu Rong Gems, you can Buy White and Colored CZ Loose Cubic Zirconia Stones With Quality Grades A to Top Grade Quality AAAAA at Wholesale Direct Factory prices from the Real China Professional Manufacturer and Suppliers.
Here're the popular colors & shapes of Cubic Zirconia Gemstones:
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Attached is the Color Chart of Cubic Zirconia Gemstones: Please download to view it. Thanks.