Referência: min-a41000-9
Rubellite is the rose-pink variety of the tourmaline.
It occurs in small quantities in acid igneous rock like granite, and is locally abundant or rock - forming. It also occurs in small quantities in many metamorphic rocks.
Rubellite is often used as a semiprecious gem.
Form: elongated prismatic crystals; also radiating, granular.
Transparente to opaque
- Chemical group: Boro-silicate
- Hardness: 7-7.5
- Specific gravity: 3-3.2