Gemstones by Phenomena: Change of color (Alexandrite effect)

Natural Alexandrite (Chrysoberyl)
Tunduru, Ruvuma, Ruvuma Region, Tanzania
3.06 cts, Pear
11.10mm X 6.50mm X 6.30mm
Natural Alexandrite (Chrysoberyl)
Deobhog area, Raipur, Chhattisgarh, India
1.95 cts, Trillion
7.40mm X 7.40mm X 4.90mm
Natural Alexandrite (Chrysoberyl)
Deobhog area, Raipur, Chhattisgarh, India
1.24 cts, Oval
6.40mm X 5.50mm X 4.40mm
Natural Alexandrite (Chrysoberyl)
Deobhog area, Raipur, Chhattisgarh, India
1.41 cts, Oval
8.06mm X 5.00mm X 4.06mm
Natural Alexandrite (Chrysoberyl)
Deobhog area, Raipur, Chhattisgarh, India
2.16 cts, Round
7.04mm X 7.00mm X 5.41mm
Natural Alexandrite (Chrysoberyl)
Deobhog area, Raipur, Chhattisgarh, India
2.04 cts, Oval
9.08mm X 5.77mm X 4.30mm