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2. Cubic zirconia - Wikipedia

   en.wikipedia.org/wiki/Cubic_zirconia

   Cubic zirconia (abbreviated CZ) is the cubic crystalline form of zirconium dioxide (ZrO 2). The synthesized material is hard and usually colorless, but may be made in a variety of different colors. The synthesized material is hard and usually colorless, but may be made in a variety of different colors.

3. Diamond simulant - Wikipedia

   en.wikipedia.org/wiki/Diamond_simulant

   CZ is made in a number of different colors meant to imitate fancy diamonds (e.g., yellow to golden brown, orange, red to pink, green, and opaque black), but most of these do not approximate the real thing. Cubic zirconia can be coated with diamond-like carbon to improve its durability, but will still be detected as CZ by a thermal probe.

4. Zirconium dioxide - Wikipedia

   en.wikipedia.org/wiki/Zirconium_dioxide

   Like diamond, cubic zirconia has a cubic crystal structure and a high index of refraction. Visually discerning a good quality cubic zirconia gem from a diamond is difficult, and most jewellers will have a thermal conductivity tester to identify cubic zirconia by its low thermal conductivity (diamond is a very good thermal conductor).

5. Zircon - Wikipedia

   en.wikipedia.org/wiki/Zircon

   It occurs as a common accessory mineral in igneous rocks (as primary crystallization products), in metamorphic rocks and as detrital grains in sedimentary rocks. [2] Large zircon crystals are rare. Their average size in granite rocks is about 0.1–0.3 mm (0.0039–0.0118 in), but they can also grow to sizes of several cm, especially in mafic ...

6. Zirconium - Wikipedia

   en.wikipedia.org/wiki/Zirconium

   Zircon (ZrSiO 4) and cubic zirconia (ZrO 2) are cut into gemstones for use in jewelry. Zirconium dioxide is a component in some abrasives, such as grinding wheels and sandpaper. [49] Zircon is also used in dating of rocks from about the time of the Earth's formation through the measurement of its inherent radioisotopes, most often uranium and ...

7. 11 Christmas Gifts To Buy at Nordstrom Rack If You Want To ...

   www.aol.com/finance/11-christmas-gifts-buy...

   Each heart charm is encrusted in pavé cubic zirconia stones to add a touch of sparkle to any outfit. Available in gold and rhodium shades, these earrings are now 52% off their comparable value ...