Origin
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Russia
Color
Blue, Violet, Colorless, Red, Green, Brown
Red, Reddish, Brown, Black, orange
Streak
White
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
-
-
Durability
-
-
Specific Gravity
3.64-3.663.87-4.14
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Subconchoidal, Conchoidal
Cleavage
None, but may exhibit slight parting
Poor on {120}, in traces on {001}
Mohs Hardness
85.5-6
2
10
👆🏻
Chemical Composition
MgAl2O4
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Adamantine
Pleochroism
Absent
Very weak
Dispersion
0.020.20
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
-
Refractive Index
1.732.583-2.741
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Orthorhombic
Birefringence
-99990.117
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
-
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Revitalization
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Vitality
Transformation