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 |
6.36ct (PA1901)
8.07ct (PA1898)
7.46ct (PA1896)
8.17ct - Pair (PA1895)
12.65ct - 16x14mm (PA1836)
9.97ct - 14x12mm (PA1833)
1.83ct (CT0323)
2.13ct - 9x7mm (CT0322)
1.74ct (YT0169)
1.30ct - 7mm (YT0168)
2.71ct (TG1743)
3.66ct (TG1742)
6.05ct (TG1740)
11.58ct (TG1739)
6.93ct - 11mm (TG1732)
17.61ct - Pair (TG1723)
2.11ct - 9x7mm (PA1625)
2.32ct - 9x7mm (PA1623)
12.75ct (PA1621)
9.03ct (PA1616)
7.73ct (PA1615)
7.03ct - 13x11mm (PA1613)
1.75ct - 9x7mm (PA1612)
12.13ct - 15x13mm (PA1611)