What Is Black Quartz?

Black quartz is a variety of quartz that ranges in clarity from almost complete transparency to an almost-opaque black crystal. Like other quartz gems, it is a silicon dioxide crystal. The smoky colour results from free silicon formed from the silicon dioxide by natural irradiation.

What is black quartz called?

The Black Quartz Gemstone is "Morion," and is a type of Smokey Quartz.

Is black quartz the same as smoky quartz?

Smoky quartz from sedimentary rocks is very unusual. Their content of radioactive elements is usually very low. Much of the "smoky" quartz reported from sedimentary rocks is actually not true smoky quartz, but quartz containing black or brown inclusions.