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 |
6.94ct (TG1670)
32.04ct (TG1668)
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)
5.71ct (TG1645)
4.62ct - 12x10mm (TG1640)
13.72ct - Pair (TG1639)
5.49ct (TG1638)
5.47ct (TG1637)
7.61ct - 12x10mm (TG1636)
3.77ct - 11x9mm (TG1632)
7.14ct (TG1630)
5.13ct (TG1629)
5.14ct (TG1628)
5.29ct (TG1627)
6.19ct (TG1626)