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 |
7.54ct (RL0418)
5.19ct (RL0410)
19.40ct (RL0390)
8.86ct - 14x12mm (RL0389)
15.68ct (RL0378)
7.39ct (RL0369)
8.33ct - 13x11mm (RL0362)
5.78ct (RL0350)
7.96ct (RL0348)
2.84ct (RL0347)
6.30ct - 15x13mm (RL0328)
8.31ct (RL0327)
4.87ct (RL0322)
5.77ct (RL0321)
8.32ct (RL0318)
12.47ct (RL0311)
7.22ct (RL0310)
4.78ct (RL0289)
7.17ct (RL0283)
6.61ct (RL0282)
12.27ct (RL0267)
3.93ct - 11x9mm (RL0265)
11.06ct (RL0259)
4.04ct - 12x10mm (RL0257)