| Mineral | Tourmaline (Verdelite) |
|---|---|
| Chemistry | A(D 3 )G 6 (T 6 O 18 )(BO 3 ) 3 X 3 Z |
| Color | Pale Pink - Vivid Pink |
| Refractive Index | 1.624 - 1.644 |
| Birefringence | 0.018 - 0.040 |
| Specific Gravity | 3.06 |
| Mohs Hardness | 7.0 - 7.5 |
8.78ct (PT1240)
6.18ct (PT1216)
6.32ct - 12x10mm (PT1215)
5.64ct - 13x11mm (PT1214)
6.01ct (PT1213)
9.97ct (PT1210)
9.28ct (PT1207)
2.19ct (PT1188)
3.95ct (PT1191)
2.77ct (PT1187)
13.22ct (PT1186)
4.53ct (PT1163)
60.04ct - 23mm (PT1138)
12.35ct (PT1132)
6.30ct - 12x10mm (PT1115)
6.62ct (PT1114)
4.60ct - 12x10mm (PT1113)
5.78ct (PT1086)
7.97ct - 12mm (PT1074)
3.40ct - 10x8mm (PT1065)
4.48ct - 10mm (PT0983)
12.88ct (PT0965)
28.94ct (PT0964)
6.00ct (PT0951)