Large Alexandrite Chrysoberyl Crystal From Brazil - 12.74 Carats

This is a very rare genuine Alexandrite crystal. 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. This crystal has very good color change and is a nicely terminated crystal.
Location:Bahia, Brazil
Size: 1.5 x 1.1 x 0.9 Centimeter
Weigh: 12.74 Carats