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 |
1.17ct - 7x5mm (PG0507)
1.88ct (PG0506)
1.60ct - 8x6mm (PG0505)
2.88ct (PG0504)
1.08ct - 6mm (PG0503)
1.41ct - 7mm (PG0502)
1.52ct - 8x6mm (PG0501)
1.39ct (PG0500)
1.87ct (PG0499)
1.14ct (PG0498)
2.30ct - 8x6mm (PG0497)
1.31ct - 8x6mm (PG0496)
1.62ct - 6mm (PG0495)
1.58ct - 8x6mm (PG0494)
5.20ct (TG1774)
5.38ct (TG1773)
5.55ct (TG1772)
5.08ct (TG1771)
50.98ct (PD0369)
6.95ct (TG1770)
14.89ct (TG1769)
1.86ct - 9x7mm (PA1910)
3.13ct (PA1909)
3.06ct - 10x8mm (PA1908)