An inspiring precious stone to arouse your artistic and creative abilities.
Formula: Al2SiO4(OH,F)2
Hardness: 8
Density: 3.52 – 3.57 g/cm3
Refractive Index: 1.606- 1.64 DR: 0.008 – 0.010
Color:
Blue to greyish-blue
Countries of Origin:
Pakistan, Brazil, Russia, Sri Lanka
Birthstone: November