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 |
21.71ct (TG0316)
57.44ct (TG0312)
59.71ct (TG0306)
12.78ct (TG0298)
24.43ct (TG0296)
72.67ct (TG0292)
8.23ct - 14x12mm (TG0289)
14.13ct (TG0279)
12.92ct (TG0276)
55.36ct (TG0273)
16.38ct (TG0266)
122.28ct (TG0252)
6.66ct (TG0127)
9.38ct - 15x13mm (TG0125)
21.17ct (TG0124)
10.44ct (TG0107)
15.14ct (TG0102)
13.88ct (TG0801)
18.03ct (BT0048)
20.13ct (BT0013)