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Prasiolite

Prasiolite is a yellow-green to green variety of quartz. It can be produced by:

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  • Amethyst that is naturally heated by lava flows;

  • Irradiating Amethyst to about 302º Fahrenheit, turning the purple Amethyst to a pale green. However, this method tends to fade to colorless over time. 

  • Heating Amethyst to about 935º Fahrenheit, turning purple Amethyst to a green or yellowish green color.  This method is how most Prasiolite on the market is produced. 

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Prasiolite is misnamed as Green Amethyst.

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