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 |
6.95ct (TG0698)
4.55ct (TG0699)
6.17ct (TG0701)
7.79ct (TG0704)
6.17ct (TG0706)
9.69ct - 15x13mm (TG0707)
9.83ct - 15x13mm (TG0709)
7.84ct - 14x12mm (TG0718)
7.91ct - 14x12mm (TG0721)
6.67ct (TG0723)
14.83ct - Pair (TG0746)
30.15ct - Pair (TG0510)
12.20ct (TG0651)
12.51ct (TG0668)
7.30ct - 14x12mm (TG0754)
12.38ct (PA0256)
6.53ct (TG0562)
10.15ct - 12x10mm (TG0560)
10.83ct - 13x11mm (TG0554)
25.28ct (TG0447)
49.48ct (TG0444)
42.08ct (TG0439)
42.24ct (TG0435)
16.66ct - 14x12mm (TG0417)