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 |
1.46ct (RL1357)
1.88ct (RL1356)
1.99ct - Pair (RL1355)
1.82ct - 9x7mm (RL1353)
1.59ct - 9x7mm (RL1352)
2.61ct (RL1351)
1.87ct - 9mm (RL1350)
2.70ct - 10x8mm (RL1347)
3.82ct - 9mm (RL1344)
2.67ct - 11x9mm (RL1343)
4.63ct (RL1342)
3.05ct (RL1340)
6.78ct (RL1338)
5.56ct (RL1336)
7.81ct (RL1335)
7.31ct (RL1334)
7.15ct (RL1332)
14.48ct (RL1331)
1.15ct (RL1320)
0.92ct - 7x5mm (RL1318)
1.10ct (RL1316)
0.87ct (RL1314)
1.21ct (RL1313)
0.89ct - 8x6mm (RL1311)