Cubic Zirconia [BEST]

To keep cubic zirconia sparkling and prevent it from becoming "cloudy":

It can serve as a protective coating in nuclear reactors and high-heat environments [35]. Maintenance & Care CUBIC ZIRCONIA

Many people use CZ "travel rings" to avoid risking their expensive engagement rings while abroad [10]. To keep cubic zirconia sparkling and prevent it

It is used to manufacture super-sharp, non-metallic surgical scalpels [1]. non-metallic surgical scalpels [1].