cubic zirconia

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Scope note
The cubic crystalline form of zirconium dioxide (ZrO2). As a synthetic gem it is often used as an inexpensive replacement for a diamond. Color most often ranges from white to light yellow and brown, but as a synthetic, can be produced in a large variety of colors. Its refractive index and colour dispersion are fairly close to the diamond, but its hardness is lower and its specific gravity much higher.
cubic zirconia
Accepted term: 14-Apr-2025