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Cubic zirconia 2022 4 14 Cubic zirconia 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 It should not be confused with zircon which is a zirconium silicate ZrSiO 4 is sometimes erroneously called cubic zirconium Because of its low cost durability and close
