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 |
8.89ct (PT0472)
10.76ct - 15x13mm (PT0454)
16.80ct (PT0453)
31.79ct (PT0451)
10.02ct (PT0449)
44.62ct (PT0446)
41.60ct (PT0443)
13.37ct (PT0442)
21.67ct (PT0440)
31.27ct (PT0439)
20.57ct (PT0423)
9.00ct - 12x10mm Pair (PT0381)
13.34ct (PT0374)
7.36ct (PT0369)
7.31ct (PT0363)
20.56ct (PT0329)
8.90ct (PT0307)
6.31ct (PT0294)
7.55ct (PT0293)
4.38ct (PT0289)
4.97ct (PT0283)
12.93ct - 18x16mm (TG0145)
22.57ct (PT0237)
8.36ct (PT0213)