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 |
30.91ct (TG0530)
23.53ct - 20x18mm (TG0531)
34.22ct (TG0532)
16.97ct - 14x12mm Pair (TG0547)
15.18ct (TG0604)
14.49ct - 18x16mm (TG0615)
10.86ct (TG0618)
9.85ct - 16x14mm (TG0622)
12.49ct (TG0644)
6.92ct (TG0648)
12.15ct (TG0650)
13.07ct - Pair (TG0690)
14.16ct - Pair (TG0692)
6.95ct (TG0698)
4.55ct (TG0699)
6.17ct (TG0701)
7.79ct (TG0704)
6.17ct (TG0706)
15.76ct (TG0666)
9.69ct - 15x13mm (TG0707)
9.83ct - 15x13mm (TG0709)
7.84ct - 14x12mm (TG0718)
7.91ct - 14x12mm (TG0721)
6.67ct (TG0723)