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 |
1.35ct (CT0290)
1.67ct (CT0279)
2.16ct (CT0272)
2.92ct - 7mm (CT0260)
4.15ct (CT0246)
4.50ct (YT0043)
10.21ct (TG0325)
4.77ct (TG0322)
14.15ct - 12mm (TG0320)
15.91ct - 18x16mm (TG0318)
20.93ct - 16x14mm (TG0317)
5.56ct (TG0316)
57.44ct (TG0312)
105.53ct (TG0308)
59.71ct (TG0306)
12.78ct (TG0298)
24.43ct (TG0296)
72.67ct (TG0292)
8.23ct - 14x12mm (TG0289)
14.13ct (TG0279)
12.92ct (TG0276)
23.30ct (TG0273)
16.38ct (TG0266)
64.71ct (TG0260)