... we supplyCubic zirconia, corundum, spinel, crystal glassOriginal PlaceWuzhou, Guangxi, China(Mainland)Available ColorWhite, Light Yellow, Black, Pink, Champagne ... be heated directly to 600 Celsius degrees, cubic zirconia will take chenical reactions with oxygen,then become ... experience, we can use various materials, such as cubic zirconia, glass, spinel, and corundum, to produce gemstones. ...