What is Black Tourmaline Stone?

The black tourmaline stone is scientifically called Schorl, which makes up about 95% of all natural tourmaline present on Earth. Schorl is not the only tourmaline species: there are other tourmalines as well which are found in different colors. This mineral can be formed via a variety of geological processes. Some of the processes through which black tourmaline can be formed are as follows.