Smoky quartz

Smoky Quartz, also known as smokey quartz, cairngorm or moorland topaz, is variety of quartz that ranges in color from brownish-yellow to brown to black. In the Realms, black samples of this gemstone were called morion and used by necromancers. Smoky quartz was usually brilliant cut into faceted gems. A typical specimen had a base value of 50 gp.