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 |
8.36ct - 12mm (TG1195)
3.06ct (TG1192)
4.10ct - 9mm (TG1185)
6.72ct (TG1167)
8.55ct (TG1116)
6.45ct - 13x11mm (TG1087)
11.64ct (TG1084)
10.76ct (TG1078)
8.47ct - 13x11mm (TG1072)
3.16ct (TG1045)
9.45ct (TG0454)
9.85ct (TG0908)
9.49ct (TG0904)
11.97ct (TG0892)
23.13ct (TG0890)
42.61ct (TG0886)
10.66ct (TG0884)
24.30ct (TG0882)
15.90ct (TG0871)
13.11ct (TG0867)
15.32ct (TG0864)
6.35ct - 13x11mm (TG0824)
10.43ct (TG0812)
12.32ct (TG0805)