Watz quality of tourmaline ?
There is an old Egyptian legend that tells the story of how the tourmaline, when making the long trip from the earth heart up towards the sun, it traveled along a rainbow, and on it's travels it collected all the colors in the rainbow.
Mohs Hardness of 7.5 with a trigonal crystal structure.
Members of the tourmaline family of minerals have basically the same crystal structure, but occurs in many colors, each with their own name.
- Red or Pink tourmalines are called Rubellite, these are the most highly prized. ...more