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Daily Wire Tip Feb. 27: Simulated and Cubic Zirconia Stones
Daily Wire Jewelry Making Tip for
February 27, 2011
What’s the difference between simulated stones and Cubic Zirconia Stones?
-Robert in California, Maryland
In many cases, simulated stones are made of faceted glass. Glass is made of silicates mixed with a variety of ingredients such as potash, lime, etc. Glass is very brittle and considered a “super cooled liquid”, rather than a “solid.” Also, glass will reflect light rather than refract it.
Cubic Zirconia is the cubic crystalline form of zirconium dioxide, and was created in 1976. Cubic Zirconia, or CZ, stones, have a hardness of 8.5 to 9 and a refractive index of 2.15-2.18, which is why they sparkle so.
Answer contributed by Dale “Cougar” Armstrong
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