Mineral | Tourmaline |
---|---|
Chemistry | A(D3)G6(T6O18)(BO3)3X3Z |
Color | Vivid Red |
Refractive Index | 1.62 - 1.64 |
Birefringence | 0.018 - 0.040 |
Specific Gravity | 3.06 |
Mohs Hardness | 7.0 - 7.5 |
11.90ct - Pair (RL1198)
10.85ct (RL1196)
11.09ct (RL1191)
12.61ct (RL1190)
32.09ct (RL1179)
22.73ct (RL1177)
43.65ct (RL1175)
5.86ct (RL1168)
2.05ct (RL1167)
3.53ct (RL1165)
2.08ct (RL1163)
1.83ct - 9x7mm (RL1146)
1.85ct - 9x7mm (RL1145)
2.76ct (RL1144)
2.48ct (RL1141)
3.63ct (RL1140)
3.12ct (RL1138)
7.50ct (RL1134)
3.93ct (RL1132)
83.24ct (RL1125)
85.50ct (RL1124)
1.35ct (RL1113)
2.14ct (RL1112)
1.50ct (RL1111)