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 |
6.65ct (PA1813)
6.93ct - 11mm (TG1732)
5.63ct - 9mm Pair (TG1727)
15.69ct (PG0476)
7.64ct (PG0475)
6.34ct (PG0474)
11.96ct - 14mm (PG0473)
2.97ct - 8mm (PG0472)
1.43ct (PG0471)
7.14ct - 13x11mm (PG0470)
9.15ct (PG0469)
2.45ct - 8mm (PG0468)
2.55ct - 9x7mm (PG0467)
2.04ct - 8x6mm (PG0466)
2.05ct - 7mm (PG0465)
3.66ct (PG0464)
2.26ct - 10x8mm (PG0463)
3.62ct - 12x10mm (PG0462)
9.01ct - 12mm (PG0461)
1.54ct (PG0459)
30.35ct (PG0454)
8.30ct - 13x11mm (TG1725)
5.22ct (CE0087)
3.77ct (PA1676)