| Show Your Gem Smarts! | Gem Stories | Gemologist Tools 'n Things | What do You Know about Minerals? | Rocks Rock! |
|---|---|---|---|---|
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What is alexandrite?
This gem changes color under different kinds of light
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| Show Your Gem Smarts! | Gem Stories | Gemologist Tools 'n Things | What do You Know about Minerals? | Rocks Rock! |
|---|---|---|---|---|
|
What is alexandrite?
This gem changes color under different kinds of light
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