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 |
30.97ct - 21x19mm (PA0253)
6.53ct (TG0562)
10.15ct - 12x10mm (TG0560)
10.83ct - 13x11mm (TG0554)
25.28ct (TG0447)
29.69ct (TG0445)
39.35ct (TG0444)
32.42ct - Pair (TG0439)
16.60ct (TG0436)
26.74ct - 13mm Pair (TG0435)
25.95ct (TG0434)
22.73ct (TG0393)
24.60ct (TG0392)
2.09ct (AL0053)
10.47ct (PD0094)
12.70ct - 11x9mm Pair (PD0078)
8.77ct (TG0379)
15.73ct (TG0368)
14.66ct (TG0367)
26.67ct (TG0363)
10.68ct (TG0350)
13.01ct (TG0342)
42.05ct (TG0340)
1.63ct (CT0291)