Assertion: alexandrite's color change | /r/HasProperty | chrysoberyl
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Source sentences:
text: When the color change from fluorescent light to tungsten light is not an obvious color change from one of the various shades of green to one of the shades of red, the gem is usually called "alexandrite like" or a "color change Chrysoberyl" since it does not quite have the distinct greenish to reddish color change to be called "Alexandrite".