Cubic Zirconium

  • Cubic Zirconium is an artificial material, zirconia ZrO2, crystallized in cubic syngony. Widely used in jewelry as a synthetic imitation of precious stones.

  • The refractive index (2.15-2.25), that is, is close to diamond (2.417-2.419), so it is difficult to distinguish cubic zirconia from diamond by eye.

  • Shine like a diamond.

  • Hardness 7.5-8.5

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