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 |
2.61ct - 9x7mm (TS0120)
8.55ct (TG1116)
20.62ct (PG0048)
12.24ct (PG0047)
10.70ct - 13mm (PG0044)
3.97ct (PG0043)
2.77ct (PG0042)
3.56ct (PG0041)
6.45ct - 13x11mm (TG1087)
11.64ct (TG1084)
10.76ct (TG1078)
8.47ct - 13x11mm (TG1072)
3.16ct (TG1045)
3.43ct - 11x9mm (SH0643)
3.20ct (SH0635)
4.69ct - 12mm (SH0553)
5.28ct (SH0551)
0.63ct (CT0312)
9.45ct (TG0454)
9.85ct (TG0908)
9.38ct (TG0904)
10.77ct (TG0899)
18.94ct (TG0895)
11.97ct (TG0892)