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 |
7.22ct (RL0310)
4.78ct (RL0289)
7.17ct (RL0283)
6.61ct (RL0282)
11.06ct (RL0259)
6.40ct (RL0255)
5.57ct - 13x11mm (RL0253)
12.81ct (RL0252)
13.40ct (RL0251)
17.24ct (RL0248)
11.67ct (RL0246)
24.09ct (RL0225)
13.51ct (RL0213)
23.47ct (RL0190)
9.54ct (RL0179)
5.44ct - 13x11mm (RL0175)
52.32ct - 24x22mm (RL0167)
30.52ct - 20x18mm (RL0163)
6.15ct (RL0137)
6.15ct (RL0124)
9.22ct - 15x13mm (RL0120)
8.17ct (RL0086)
4.01ct (RL0068)
7.23ct (RL0013)