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 |
22.73ct (TG0393)
24.60ct (TG0392)
26.67ct (TG0363)
13.23ct (TG0350)
42.05ct (TG0340)
4.50ct (YT0043)
10.21ct (TG0325)
4.77ct (TG0322)
14.15ct - 12mm (TG0320)
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)
16.38ct (TG0266)
122.28ct (TG0252)
6.66ct (TG0127)
9.38ct - 15x13mm (TG0125)
21.17ct (TG0124)
10.44ct (TG0107)