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Friday, January 26, 2007

Color change gemstones

Most frequently seen color change gemstones.

- Chrysoberyl (alexandrite)
- Synthetic Chrysoberyl (synthetic alexandrite)
- Color change sapphire
- Synthetic color change sapphire
- Fluorite
- Pyrope / spessartite garnet
- Herderite
- Kyanite
- Monazite
- Spinel
- Synthetic spinel
- Toumaline
- Zultanite

Other color change gemstones

- Chameleon-type diamond (after heating color changes from orange yellow to green when exposed to light).
- Mood stone (quartz glass or plastic triplet containing a layer of liquid crystal which changes color with small changes in its temperature).

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