Smoky quartz is a special variation of quartz, which is very popular in the production of jewellery of all kinds. The smoky quartz is also called Morion and has a characteristic black or greyish colour, which is either natural or originated by artificial gamma radiation. Smoky quartz gets its name from its colour, which is streaky grey-black and reminds of rising smoke. The smoky quartz was first mentioned by the Roman Pliny, who in his activity as historian and natural scientist called the stone mormorion. In the course of time this became the word Morion. The main use of this mineral is as a gemstone. Besides the use of smoky quartz as a gemstone in necklaces, pendants, rings or earrings, the minerals are also processed into art objects. With the special quartz variety also special jewellery can be produced, which is suitable for many occasions outstanding. Thanks to the relative frequency of smoky quartz, jewellery that focuses on this mineral is available at an affordable price.