Mineral | Tourmaline |
---|---|
Chemistry | A(D3)G6(T6O18)(BO3)3X3Z |
Color | Vivid Red |
Refractive Index | 1.62 - 1.64 |
Birefringence | 0.018 - 0.040 |
Specific Gravity | 3.06 |
Mohs Hardness | 7.0 - 7.5 |
8.33ct (RL1029)
3.05ct - 12x10mm (RL0977)
5.98ct (RL0975)
14.22ct (RL0934)
7.02ct - 13x11mm (RL0904)
2.55ct (RL0897)
5.34ct (RL0896)
6.71ct - 13x11mm (RL0891)
7.19ct (RL0890)
5.74ct (RL0882)
2.75ct (RL0877)
4.65ct - 11mm (RL0871)
4.39ct - 11x9mm (RL0869)
8.80ct (RL0863)
2.37ct - 10x8mm (RL0857)
3.87ct (RL0853)
3.06ct (RL0850)
6.82ct - 13x11mm (RL0849)
3.62ct (RL0839)
5.78ct - 11mm (RL0833)
8.39ct - 14x12mm (RL0830)
5.63ct (RL0828)
6.72ct (RL0825)
8.26ct (RL0809)