Lot of 50 Alexandrite Chrysoberyl Crystals From Tanzania - 20 Carats

This is a lot of 50 rare genuine Alexandrite crystals. It is a color changing variety of Chrysoberyl and changes color under different light wavelengths from green in daylight to dark red in incandescent light.
Location: Tanzania
Size: up to 0.7 Centimeters
Weigh: 20.8 Carats