Tourmaline Family
Widest color range of any gem mineral. Includes rubellite, indicolite, and Paraíba.
2Gemstones
Mineral Species
Tourmaline
Formula
Complex borosilicate
Crystal System
Trigonal
Widest color range of any gem mineral. Includes rubellite, indicolite, and Paraíba.
Mineral Species
Tourmaline
Formula
Complex borosilicate
Crystal System
Trigonal
