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 |
51.99ct (PT0210)
21.87ct - 19x17mm (PT0196)
29.87ct (PT0194)
8.74ct (PT0106)
12.14ct (PT0093)
8.42ct (PT0092)
21.84ct (PT0087)
9.94ct (PT0076)
54.69ct - 20x18mm (BT0042)
31.20ct (BT0039)