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Alexandrite

Tsarstone collectors guide

Alexandrite Guide Forums

Color change natural tourmaline on Mar 20 2009, at 00:13 in What gemstones change color like alexandrite?
Fairly large (12.7ct) color changing natural tourmaline from Africa (Kenya?). Color changes from slightly dark green in natural daylight to an intence orange with red flashes under incandescent light.

color-change-tourmaline.jpg

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