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Aventurine is a translucent to opaque variety of quartz with mica inclusions. The mica is responsible for its sparkly, shimmery surface. Green Aventurine is known as the "Gambler's Stone," the luckiest of all stones in games of chance and competition. This stone should be set after firing.

For firing temperature and time on a variety of gemstones, refer to our Gemstone Firing Guide: