Origin
Sri Lanka
Australia, Italy
Color
Blue
Yellow, Red, Reddish, Brown, Colorless, White, gray
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
-
Brittle
Solubility
-
Soluble
Durability
-
-
Specific Gravity
3.65-4.552.6-2.9
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
None, but may exhibit slight parting
On {0001}, perfect
Mohs Hardness
7.5-83.5-4
2
10
👆🏻
Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
KAl3(SO4)2(OH)6
Luster
Vitreous
Vitreous, Pearly
Pleochroism
-
-
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.735-1.7901.572
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Trigonal
Birefringence
-99990.020
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
-
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Empowerment
Stability
Healing
-
Emotional healing
Qualities Associated
Transformation
Stability