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 |
5.01ct (TG1539)
7.23ct - 13x11mm (TG1535)
15.05ct (TG1532)
14.32ct (TG1531)
0.96ct - 7x5mm (TG1517)
7.09ct (TG1502)
8.28ct - 12x10mm (TG1500)
5.74ct (TG1498)
8.14ct (TG1496)
4.87ct - 12x10mm (TG1493)
15.34ct (TG1485)
31.98ct (TG1476)
32.07ct - 18x16mm (TG1475)
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)