Natural Smoky Quartz points



Natural Smoky Quartz points

Smoky quartz is a grey, translucent variety of quartz. It ranges in clarity from almost complete transparency to a brownish-gray crystal that is almost opaque. Some can also be black.[6] Like other quartz gems, it is a silicon dioxide crystal. 



The smoky colour results from free silicon, formed from the silicon dioxide by natural irradiation.

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