These are 20-30mm A grade tumbled pieces of Smoky Quartz. Smoky Quartz is a brownish grey, translucent variety of Quartz that ranges in clarity from almost complete transparency to an almost opaque brownish-gray or black crystal. Like other Quartz varieties, it is a silicon dioxide crystal. The smoky color results from free silicon formed from the silicon dioxide by natural irradiation.
These pictures are an example of the approximate size, shape, color, and number of pieces you will receive. Each 4 ounce bag of Smoky Quartz Tumbled Stones is chosen intuitively and may vary slightly.
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