11.6" Quartz Crystal Cluster - Brazil
This is a beautiful, cluster of quartz crystals from Minas Gerais, Brazil. They have a slight tangerine color to them due to the presence of iron oxide. The cluster measures 11.6 x 7" at its base and the longest point is 2.6"
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.