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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?
<![CDATA[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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