Origin
Sri Lanka
Southern and central Africa
Color
Blue
White, Blue, gray, Green, Brown
Streak
-
White
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
3.65-4.552.30-2.40
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Conchoidal
Cleavage
None, but may exhibit slight parting
{110} Perfect
Mohs Hardness
7.5-8-9999
2
10
👆🏻
Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
Luster
Vitreous
-
Pleochroism
-
-
Dispersion
0.020.04
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.735-1.790-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
-
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Empowerment
Creativity
Healing
-
Emotional healing
Qualities Associated
Transformation
Clarity