Rough Smoky Quartz is found throughout the world including Brazil, Mozambique, Madagascar, Australia, Switzerland, Scotland and United States (New Hampshire and Colorado). The dark-colored smoky quartz crystals from Arkansas, better known as ‘Arkansas Smoky Quartz’, are mostly irradiated to a certain degree to obtain the intense brown color. Smoky Quartz is broadly classified on the basis of its origin and color. ‘Cairngorm gem’ is a popular origin variety of Smoky Quartz Crystal resourced from the Cairngorm Mountains of Scotland, Europe. They are mostly smoky yellow and brown in color. moky Quartz meaning is closely associated with its body color. Its color ranges from light smoky gray to deep chocolaty brown and smoky black. The selection of Smoky Quartz color depends largely upon the purposes and personal preferences of the wearer. Usually, the deep brown smoky quartz or grey Smoky Quartz are considered more valuable than the light Smoky Quartz gems. In terms of transparency, Smoky Quartz mineral can be transparent to nearly opaque depending upon the quality grade. Typically, the clear Smoky Quartz with no or very faintly visible inclusion is considered to be of superior quality. Being a popular ornamental stone, the raw Smoky Quartz stone is often cut and polished into fancy shapes (pear shape, heart, oval and round) and customized cuts (cushion cut, brilliant cut and emerald cut etc.). Due to the abundance of large size Smoky Quartz in nature, they are often carved into ornate statues and figurines. One can also find Smoky Quartz spheres, pendulums and wands in the market which are primarily used for healing.