Origin
Sri Lanka
Southern and central Africa
Color
Blue
White, Colorless, Blue, Red, Green, Yellow, Violet
Streak
-
-
For which Rashi?
Sagittarius, Scorpio
-
Planet
Pluto
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Hephaestus
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.65-4.552.55-2.70
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
None, but may exhibit slight parting
None
Mohs Hardness
7.5-86.5-7
2
10
👆🏻
Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
Luster
Vitreous
Waxy
Pleochroism
-
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
Translucent
Refractive Index
1.735-1.7901.530-1.543
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
-
Birefringence
-99990.003-0.009
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Empowerment
Peace
Healing
-
Emotional healing
Qualities Associated
Transformation
Balance