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 |
4.26ct (TG1308)
4.56ct (TG1302)
10.02ct (TG1295)
2.37ct - 9mm (TG1284)
6.18ct (TG1281)
3.64ct - 12x10mm (TG1265)
11.11ct (TG1264)
9.83ct - 14x12mm (TG1251)
5.14ct - 10mm (TG1212)
8.89ct - 12mm (TG1209)
8.19ct - 14x12mm (TG1205)
4.22ct (TG1203)
8.36ct - 12mm (TG1195)
3.06ct (TG1192)
4.10ct - 9mm (TG1185)
6.72ct (TG1167)
8.55ct (TG1116)
6.45ct - 13x11mm (TG1087)
11.64ct (TG1084)
10.76ct (TG1078)
8.47ct - 13x11mm (TG1072)
3.16ct (TG1045)
9.45ct (TG0454)
9.85ct (TG0908)