Alexandrite - Gemstoneslivepages::jquery();?>
Alexandrite is the colour change varity of Chrysoberyl. first founs in Russia but in more recnet times found in a few other places. This Russian material is extremely rare but has the best green colour, the mine are now closed.
Chatoyancy can occur
Crystal System: Orthorthombic
Hardness: 8 1/2
Lustre: Bright Vitreous