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 |
2.35ct (RL1454)
1.71ct - 9x7mm (RL1453)
1.74ct - 8x6mm (RL1452)
2.47ct - 9x7mm (RL1451)
1.72ct - 6mm (RL1450)
1.05ct (RL1449)
2.79ct (RL1448)
1.86ct (RL1447)
2.26ct (RL1446)
1.65ct (RL1445)
3.60ct (RL1444)
8.71ct (RL1440)
3.21ct - 9mm (RL1438)
4.75ct (RL1436)
6.10ct (RL1434)
3.34ct - 9x7mm (RL1432)
17.42ct (RL1431)
11.40ct (RL1429)
1.84ct (RL1428)
5.16ct - 11x9mm (RL1426)
4.19ct - 10x8mm (RL1422)
3.69ct (RL1420)
4.53ct (RL1416)
6.15ct - 12x10mm (RL1414)