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 |
2.72ct - 8mm (RL1412)
6.19ct (RL1408)
4.51ct (RL1404)
3.88ct - 10x8mm (RL1403)
3.52ct (RL1401)
8.75ct (RL1400)
3.06ct (RL1397)
7.42ct (RL1389)
3.25ct (RL1383)
8.24ct (RL1379)
7.50ct (RL1378)
3.40ct - 10x8mm (RL1377)
26.92ct (RL1373)
21.38ct (RL1372)
0.68ct - 7x5mm (RL1369)
0.67ct - 7x5mm (RL1368)
0.46ct (RL1367)
1.39ct - 8x6mm (RL1366)
1.16ct - 8x6mm (RL1365)
1.16ct (RL1364)
1.75ct - 10x8mm (RL1363)
1.86ct (RL1362)
1.29ct (RL1360)
1.19ct - 8x6mm (RL1358)