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 |
2.76ct (RL1170)
5.86ct (RL1168)
2.05ct (RL1167)
3.53ct (RL1165)
2.08ct (RL1163)
5.67ct (RL1150)
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)
3.80ct (RL1129)
66.18ct (RL1127)
2.52ct - Pair (RL1116)
1.35ct (RL1113)
2.14ct (RL1112)
1.50ct (RL1111)
4.03ct - Pair (RL1110)
3.22ct - Pair (RL1109)
2.78ct - 10x8mm (RL1108)
3.00ct (RL1107)