Cubic Zirconia

Big Photo

Rectangle-cut corners cubic zirconia
8.84 carats
© Rarestone.com

An artificial gem. It has been frequently used as a diamond simulant.

Cubic Zirconia Gemstones by Colour

This table shows the variety of hues this gemstone can be found in. Click on a photo for more information.
 
 
 

Cubic Zirconia Gemstones by Size

This table shows distribution of Cubic Zirconia gemstone sizes that are listed on this site. This can give a good indication as to the general availability of this gemstone in different sizes.
Contributed photos
Lightest:8.84 cts
Heaviest:54.48 cts
Average:28.79 cts
Total photos:3
Do you have a larger Cubic Zirconia? Why not upload a photo?
8.84ct to 13.40ct13.40ct to 17.97ct17.97ct to 22.53ct22.53ct to 27.10ct27.10ct to 31.66ct31.66ct to 36.22ct36.22ct to 40.79ct40.79ct to 45.35ct45.35ct to 49.92ct49.92ct to 54.48ct
General Information
Chemical Formula
ZrO
 
2
+ CaO or Y
 
2
O
 
3
or MgO
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
More from other references
Physical Properties of Cubic Zirconia
Mohs Hardness8.5
Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
Specific Gravity5.50 to 6.00
Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
Optical Properties of Cubic Zirconia
Refractive Index2.150 to 2.182
Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
Optical CharacterIsotropic
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
Colour
Colour (General)All colors
Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
More from other references
TransparencyTransparent,Translucent
Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) Slight "see-through"More from other references
Fluorescence & other light emissions
Fluorescence (General)Commonly greenish-yellow to yellow-orangy
Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
Crystallography of Cubic Zirconia
Crystal SystemIsometric
Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
Inclusions in Cubic Zirconia
May show feathers-like inclusions - Blue Chart Gem Identification, Herve Nicolas Lazzarelli, 2010, p 1
Further Information
Mineral information:Cubic Zirconia information at mindat.org
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