Lab Created Alexandrite – Chrysoberyl Antique Cushion 14x10 mm

3 years ago
18

Laboratory created (True, Cultured) Czochralski Pulled Alexandrite. Such material produced mostly for low frequency lasers. This stone cut from the regular technical/laser material and has the strong reddish color with slight color change to purplish shade. Stones have perfect AAA cut quality

Chemical composition Cr: BeAl2O3
R.I. = 1.64-167, double refractive;
Specific gravity: 3.74;
Mohs Hardness 8.5;
Crystal system: Orthorhombic, strong pleochroic (trichroic). Only one stunning stone

Loading comments...