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 |
9.73ct - 15x13mm (PT0618)
7.78ct (PT0551)
9.27ct (PT0611)
4.59ct (PT0610)
24.83ct - 18x16mm (PT0607)
63.22ct (PT0571)
11.15ct (PT0543)
13.72ct (PT0520)
7.54ct (PT0500)
8.68ct (PT0495)
9.26ct (PT0475)
8.89ct (PT0472)
11.58ct (PT0462)
10.76ct - 15x13mm (PT0454)
16.80ct (PT0453)
31.79ct (PT0451)
10.02ct (PT0449)
41.60ct (PT0443)
13.37ct (PT0442)
31.27ct (PT0439)
12.12ct - 15x13mm (PT0411)
9.00ct - 12x10mm Pair (PT0381)
13.34ct (PT0374)
7.36ct (PT0369)