Purple/Blue-Green Synthetic Alexandrite, Round Cut

About Synthetic Alexandrite

Synthetic alexandrite is lab-created chrysoberyl, with essentially the same chemical composition and crystal structure as natural alexandrite. Its characteristic colour change is usually green to bluish green in daylight and red, purplish red or raspberry tones under incandescent light. The effect is caused by chromium absorbing selected parts of the light spectrum; it is not the same as chatoyancy, the moving band seen in…