| 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 |
1.54ct (TL0111)
0.68ct - 5mm (TL0094)
1.30ct - 6mm (TL0090)
1.54ct (TS0194)
2.18ct (TS0185)
1.97ct (TS0184)
2.46ct (TS0182)
2.22ct (TG1662)
2.25ct (TG1661)
2.62ct (TG1660)
2.69ct (TG1658)
1.72ct - 9x7mm (TG1656)
2.35ct (TG1654)
1.95ct (TG1651)
2.54ct (TG1650)
2.54ct - 10x8mm (TG1649)
2.99ct - 10x8mm (TG1648)
6.60ct - 14mm (TG1641)
4.62ct - 12x10mm (TG1640)
13.72ct - Pair (TG1639)
5.49ct (TG1638)
5.47ct (TG1637)
4.40ct (TG1634)
3.77ct - 11x9mm (TG1632)