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 |
2.75ct - 9mm (RL1570)
2.89ct - 10x8mm (RL1569)
4.74ct (RL1568)
6.76ct (RL1567)
11.90ct (RL1566)
10.49ct (RL1565)
11.16ct (PG0484)
9.48ct (PG0483)
13.40ct (RL1563)
2.07ct (RL1562)
4.22ct - 12x10mm (RL1561)
7.95ct - 15x13mm (RL1560)
9.02ct (RL1559)
4.54ct - 12x10mm (RL1558)
10.37ct - Pair (RL1557)
10.21ct - 12x10mm Pair (RL1556)
3.04ct - 9mm (RL1555)
2.72ct - 10x8mm (RL1554)
6.82ct - Pair (RL1552)
3.10ct (RL1551)
5.31ct - 12x10mm (RL1550)
4.49ct - 11mm (RL1549)
3.82ct - 11x9mm (RL1548)
4.45ct - 12x10mm (RL1547)