Origin
Southern and central Africa
USA
Color
Blue
-
Streak
Blue
-
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.253.32-3.47
1
7.18
👆🏻
Fracture
-
-
Cleavage
Imperfect in one direction
None
Mohs Hardness
5-5.5-9999
2
10
👆🏻
Chemical Composition
CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.
Luster
Vitreous
Vitreous
Pleochroism
Trichroic
Weak; present colour lighter and darker
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Transparent
TranslucentWalter Schumann
Refractive Index
1.607-1.6721.700-1.725
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
-
Birefringence
0.0650.001-0.012
0
0.296
👆🏻
Clarity
Transparent
TranslucentWalter Schumann
Physical
Neurological
-
-
Cardiovascular
-
Promotes peace and tranquility
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Optimism
Healing
Emotional healing
-
Qualities Associated
Communication
Creativity