This Specimen has been sold.
6" Polished Smoky Quartz Bowl - Madagascar
This is a 6" wide, polished smoky quartz bowl from Madagascar. This specimen has been polished into a large bowl, from a larger chunk of smoky quartz.
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.