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 |
41.19ct (PT1206)
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)
3.40ct - 10x8mm (PT1065)
15.84ct - 15mm (PT1032)
4.48ct - 10mm (PT0983)
20.45ct (PT0978)
12.88ct (PT0965)
28.94ct (PT0964)
6.00ct (PT0951)
6.77ct (PT0949)
28.99ct (PT0798)
22.54ct (PT0759)
12.35ct (PT0724)
6.07ct - 11mm (PT0702)