approx 8.00ct mm varies emerald cut bi-color brazilian tourmaline. the name tourmaline comes from sinhalese word turmali meaning mixed . the gem probably got this name because of the variety of colors it comes in and the fact that tourmaline can also be bi or tri colored. it ranks 7-7.5 on the mohs' scale of hardness. it can be faceted cut into cabs and used to carve figurines. tourmaline is the national gem of the u.s.a.
approx 15.00ct mm varies brazilian bi-color tourmaline. the name tourmaline comes from sinhalese word turmali meaning mixed . the gem probably got this name because of the variety of colors it comes in and the fact that tourmaline can also be bi or tri colored. it ranks 7-7.5 on the mohs scale of hardness so it is relatively tough. it can be faceted cut into cabs and used to carve figurines. tourmaline is the national gem of the u.s.a but it's found all over the world.