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 |
18.38ct (PT1435)
7.42ct (RL1604)
2.26ct - 10x8mm (RL1618)
2.50ct - 10x8mm (RL1617)
3.26ct (RL1616)
2.22ct - 9mm (RL1615)
1.42ct - 7mm (RL1614)
1.34ct - 9x7mm (RL1613)
3.09ct (RL1612)
3.37ct - 11x9mm (RL1611)
3.63ct - 9mm (RL1610)
5.13ct - 12x10mm (RL1609)
3.87ct (RL1608)
6.72ct (RL1607)
4.72ct - 11mm (RL1606)
6.17ct (RL1605)
13.54ct (RL1603)
8.32ct (RL1602)
8.71ct (RL1601)
12.51ct (RL1600)
21.62ct (RL1596)
143.38ct (RL1586)
5.15ct - 10mm (RL1572)
5.75ct (RL1571)