Origin
Sri Lanka, Southern and central Africa
Sri Lanka
Color
Blue
Blue
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
3.95-4.103.65-4.55
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
None
None, but may exhibit slight parting
Mohs Hardness
97.5-8
2
10
👆🏻
Chemical Composition
Al 2O 3Ulrich Henn and Claudio C.
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Luster
-
Vitreous
Pleochroism
-
-
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.757-1.7801.735-1.790
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Isometric
Birefringence
0.007-0.010-9999
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
-
Reproductive
-
-
Digestive
-
-
Psychology
Intuition
Empowerment
Healing
Emotional healing
-
Qualities Associated
Creativity
Transformation