Alexandrite is a gem variety of the mineral chrysoberyl discovered in 1830 in Czarist Russia. Since the old Russian imperial colors are red and green, it was named after Czar Alexander II on the occasion of his coming of age. Material with a certificate of Russian origin is still particularly valued by the trade. Some alexandrite is found in Sri Lanka, Zimbabwe and Brazil, but very little shows a dramatic color change.
Alexandrite loose stone This particular stone is so beautiful because it changes color depending on whether or not you are in artificial light or in natural light. The lab-created alexandrite is more purple but still very beautiful!
A variety of Chrysoberyl, alexandrite is pleochroic, which means it changes color depending on the angle at which it is viewed. Its color-changing property is due to an exceedingly rare combination of minerals that includes titanium, iron and chromium.