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 |
18.94ct (TG0895)
11.97ct (TG0892)
23.13ct (TG0890)
42.61ct (TG0886)
19.43ct (TG0885)
10.66ct (TG0884)
24.30ct (TG0882)
19.75ct (TG0881)
12.85ct (TG0872)
15.90ct (TG0871)
13.11ct (TG0867)
6.35ct - 13x11mm (TG0824)
10.43ct (TG0812)
12.32ct (TG0805)
6.61ct - 12mm (TG0606)
7.64ct - 13mm (TG0634)
15.15ct - 16mm (TG0636)
7.55ct - 13mm (TG0640)
6.54ct - 13mm (TG0641)
12.59ct (TG0632)
6.57ct (TG0675)
34.59ct - Pair (TG0506)
15.75ct (TG0520)
33.63ct - Pair (TG0521)