7.2" Natural Smoky Quartz Crystal - Brazil
This is a dark brown, natural smoky quartz crystal from Brazil. This crystal has a mixture of polished and natural faces for overall aesthetic enhancement. The polishing can be found across two of the facets and three sides. It has not been heated or treated to change the natural color.
Smoky quartz is a grey-brown to black variety of quartz. This common name is derived from from the appearance of smoke within the quartz crystal. Dependent on the location and the chemicals present during formation, smoky quartz can appear opaque black, however it’s typically translucent to some extent. It’s believed that the quartz gains this color from a combination of natural irradiation and aluminum impurities.