In uniaxial gems such as blue zircon, ruby, blue sapphire ... In doubly refractive stones, color zoning, inclusion color, and path length variations (in non-round or non-square cut shapes) must also ...
Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback