| 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 |
1.34ct (PG0510)
1.07ct - 7x5mm (PG0508)
1.17ct - 7x5mm (PG0507)
1.88ct (PG0506)
1.60ct - 8x6mm (PG0505)
1.52ct - 8x6mm (PG0501)
1.39ct (PG0500)
1.31ct - 8x6mm (PG0496)
1.62ct - 6mm (PG0495)
1.58ct - 8x6mm (PG0494)
5.20ct (TG1774)
5.38ct (TG1773)
5.55ct (TG1772)
5.08ct (TG1771)
6.95ct (TG1770)
14.89ct (TG1769)
3.06ct - 10x8mm (PA1908)
5.53ct (PA1905)
8.07ct (PA1898)
7.46ct (PA1896)
12.65ct - 16x14mm (PA1836)
9.97ct - 14x12mm (PA1833)
1.83ct (CT0323)
2.13ct - 9x7mm (CT0322)