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 |
4.27ct (PG0542)
4.04ct (PG0540)
8.66ct (CT0328)
3.12ct (TS0198)
1.27ct - 7mm (PA2011)
1.16ct - 6mm (PA2008)
10.35ct (TG1786)
4.67ct (TG1785)
10.90ct (TG1784)
9.95ct (TG1783)
12.86ct - 15x13mm (TG1782)
15.35ct - 16x14mm (TG1781)
6.48ct (CT0326)
19.90ct (TG1780)
14.86ct (TG1778)
13.13ct (TG1777)
26.89ct (TG1776)
15.74ct (TG1775)
29.85ct (PR0064)
6.93ct (CT0325)
1.54ct (PG0516)
2.49ct (PG0515)
1.91ct - 8mm (PG0514)
1.12ct - 6mm (PG0513)