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 |
23.47ct (TG1554)
4.31ct - 11x9mm (TG1552)
3.82ct (TG1551)
4.57ct - 12x10mm (TG1550)
5.61ct (TG1549)
8.19ct - 11x9mm Pair (TG1544)
8.63ct (TG1542)
5.01ct (TG1539)
3.85ct (TG1537)
6.61ct - 11mm (TG1536)
7.23ct - 13x11mm (TG1535)
15.05ct (TG1532)
14.32ct (TG1531)
0.96ct - 7x5mm (TG1517)
5.62ct (TG1513)
7.09ct (TG1502)
8.28ct - 12x10mm (TG1500)
5.74ct (TG1498)
8.14ct (TG1496)
4.87ct - 12x10mm (TG1493)
15.34ct (TG1485)
31.98ct (TG1476)
11.47ct (TG1468)
50.21ct (TG1466)