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 |
7.14ct (TG1630)
5.13ct (TG1629)
5.14ct (TG1628)
5.29ct (TG1627)
6.19ct (TG1626)
6.57ct (TG1624)
7.46ct (TG1623)
9.31ct (TG1622)
7.55ct (TG1621)
8.94ct - 14x12mm (TG1620)
9.34ct - 14mm (TG1617)
17.51ct - Pair (TG1616)
9.12ct (TG1614)
8.00ct - 14mm (TG1613)
10.07ct (TG1610)
11.93ct - 15mm (TG1609)
10.90ct - 15x13mm (TG1602)
5.24ct (TG1598)
8.40ct (TG1593)
6.60ct (TG1588)
4.56ct (TG1586)
5.88ct - 11x9mm (TG1577)
20.66ct (TG1574)
6.09ct (TG1572)