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 |
1.15ct (RL1478)
1.90ct (RL1477)
0.93ct (RL1476)
1.67ct (RL1475)
1.37ct (RL1474)
2.20ct - 9x7mm (RL1473)
2.15ct (RL1472)
1.51ct - 7mm (RL1471)
1.69ct - 8x6mm (RL1470)
1.58ct - 7x5mm (RL1469)
2.27ct - 8x6mm (RL1468)
2.47ct - 9x7mm (RL1467)
2.29ct (RL1466)
2.34ct (RL1465)
1.88ct (RL1464)
2.05ct - 8x6mm (RL1463)
2.35ct (RL1462)
2.43ct (RL1461)
2.45ct - 9x7mm (RL1460)
1.86ct (RL1459)
2.73ct - 9x7mm (RL1458)
1.63ct - 8x6mm (RL1457)
2.59ct - 10x8mm (RL1456)
1.79ct - 10x8mm (RL1455)