Terminated Chrome Tourmaline Specimen From Tanzania- Collectors Piece, Home Décor (Stand Included)Terminated Chrome Tourmaline Specimen From Tanzania Collectors Piece, Home Dcor (Stand Included) Weight 15g Including Stand Size 1. 5cm by 1. 5cm Thickness 1. 5cm Chrome Tourmaline is a rare, gemstone quality variety of chromium bearing green dravite. Dravite is one of several specific varieties of the tourmaline group. Although dravite tourmaline is quite common in occurrence, most deposits are too opaque or too heavily included to be of any gemstone