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 |
25.28ct (TG0447)
49.48ct (TG0444)
42.08ct (TG0439)
16.83ct (TG0436)
42.24ct (TG0435)
16.66ct - 14x12mm (TG0417)
22.73ct (TG0393)
24.60ct (TG0392)
8.79ct (TG0379)
16.01ct (TG0368)
15.09ct (TG0367)
26.67ct (TG0363)
13.23ct (TG0350)
42.05ct (TG0340)
4.50ct (YT0043)
10.21ct (TG0325)
4.77ct (TG0322)
14.15ct - 12mm (TG0320)
18.49ct - 18x16mm (TG0318)
57.44ct (TG0312)
59.71ct (TG0306)
12.78ct (TG0298)
24.43ct (TG0296)
72.67ct (TG0292)