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 |
17.61ct (TG1723)
10.87ct (PG0451)
4.44ct - 10x8mm (PG0444)
1.91ct - 9x7mm (PG0443)
2.94ct (PG0440)
3.14ct (PG0439)
1.80ct - 7mm (PG0438)
2.31ct - 7mm (PG0436)
2.86ct (PG0432)
3.31ct - 10x8mm (PG0427)
2.70ct (PG0426)
3.35ct (PG0424)
2.24ct - 8mm (PG0423)
2.35ct - 10x8mm (PG0422)
3.13ct - 8mm (PG0420)
2.50ct - 10x8mm (PG0419)
1.85ct - 9x7mm (PG0418)
3.66ct (PG0416)
2.01ct (PG0415)
2.82ct - 10x8mm (PG0414)
3.45ct (PG0413)
1.75ct - 9x7mm (PG0412)
1.03ct (PG0411)
4.28ct (PG0409)