Alexandrite - Gemstones

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

Cleavage: Prismatic

Hardness: 8 1/2

RI: 1.74-1.76

Lustre: Bright Vitreous

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