Mineral | Tourmaline (Verdelite) |
---|---|
Chemistry | A(D3)G6(T6O18)(BO3)3X3Z |
Color | Green - Vivid Green |
Refractive Index | 1.624 - 1.644 |
Birefringence | 0.018 - 0.040 |
Specific Gravity | 3.06 |
Mohs Hardness | 7.0 - 7.5 |
14.54ct - 16x14mm (TG1447)
4.09ct - 12x10mm (TG1426)
2.90ct (TG1421)
3.77ct (TG1420)
3.58ct (TG1416)
3.96ct (TG1410)
4.10ct - 12x10mm (TG1405)
3.87ct - 11x9mm (TG1397)
4.04ct (TG1396)
6.32ct (TG1392)
8.54ct (TG1387)
11.59ct - 16x14mm (TG1383)
6.77ct (TG1382)
10.89ct - Pair (TG1375)
3.94ct - 12x10mm (TG1372)
5.64ct (TG1371)
5.35ct (TG1369)
14.76ct - Pair (TG1366)
21.49ct (TG1343)
21.35ct (TG1341)
30.96ct (TG1340)
2.12ct (TG1335)
8.30ct (TG1314)
7.07ct - 13x11mm (TG1309)