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 |
7.47ct (PT1428)
8.73ct - 13mm (PT1427)
6.18ct (PT1426)
5.10ct (PT1421)
4.30ct (PT1410)
3.76ct - 9mm (PT1409)
2.52ct (PT1391)
4.34ct (PT1379)
5.65ct (PT1377)
8.37ct (RL1564)
3.42ct (PT1370)
4.95ct (PT1369)
3.25ct (PT1365)
4.25ct (PT1364)
3.26ct (PT1363)
6.76ct - Pair (PT1361)
5.80ct (PT1360)
9.13ct (PT1359)
2.14ct (PT1356)
2.60ct (PT1355)
1.91ct - 9mm (PT1350)
2.79ct (PT1348)
8.62ct - 14x12mm (PT1346)
3.20ct - 9mm (PT1345)