Alexandrite Gemstone is a rare variety of the mineral Chrysoberyl & is a. as â€œ
Under such light, such as candlelight, or artificial light, the stone turns red or reddish. This pronounced color change is highly prized. The most valuable alexandrites are brilliant green, and change color to a fiery red under light.
The stones were identified as emeralds, and in 1831 the mica-schist deposit was. Large (over 3 carats), clean alexandrite gems are among the rarest and most .
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 .