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 |
13.52ct - Pair (PG0303)
5.06ct (PG0302)
2.72ct (PG0300)
3.98ct (PG0299)
3.14ct (PG0297)
2.90ct (PG0296)
6.31ct (PG0292)
3.43ct (PG0290)
6.06ct (PG0289)
3.48ct (PG0288)
21.99ct - 16mm (PD0326)
32.04ct (TG1668)
5.11ct (AL0114)
1.69ct (PG0282)
2.90ct - 9mm (PG0281)
4.54ct (PG0278)
6.35ct (EM0080)
28.65ct (PD0311)
31.78ct - 19x17mm (PD0310)
27.26ct - Pair (PD0303)
7.66ct - 11mm (PG0253)
11.55ct - 15x13mm (PD0286)
10.51ct (PD0282)
27.04ct (PD0271)