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What is the difference between chrysoberyl and alexandrite?
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< What is the difference between chrysoberyl and alexandrite? >
Chrysoberyl is the species name and Alexandrite is the variety name. Alexandrite is that variety of chrysoberyl that changes color as a function of the light source; green in daylight and red under incandescent light.
Latest What is the difference between chrysoberyl and alexandrite? by Alan Javore on Mar 19 2009, at 23:15

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Alan Javore
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What is the difference between chrysoberyl and alexandrite? on Mar 19 2009, at 23:15

In practice, chrysoberyl and alexandrite may be difficult to differentiate. Since stones with a weak change may be called alexandrite and gemstones with a faint change are called chrysoberyl, what is the difference? Where is the borderline?

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