Origin
Sri Lanka
Australia
Color
Blue
Reddish, Brown, Red, pink
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
-
Partly soluble in HCl.
Durability
-
-
Specific Gravity
3.65-4.553.32-3.43
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
None, but may exhibit slight parting
{100} perfect; {110} and {1 1 0} good; {010} poor
Mohs Hardness
7.5-85.5-6
2
10
👆🏻
Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
-
Weak
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
1.735-1.7901.662-1.707
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Triclinic
Birefringence
-99990.013-0.015
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Empowerment
Love
Healing
-
Emotional healing
Qualities Associated
Transformation
Love