Origin
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Kenya, Southern and central Africa
Color
Blue, Violet, Colorless, Red, Green, Brown
Colorless, Greenish, Blue
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
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.64-3.663.40-3.58
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Conchoidal, Uneven
Cleavage
None, but may exhibit slight parting
{010} Perfect
Mohs Hardness
87.5
2
10
👆🏻
Chemical Composition
MgAl2O4
(Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
-
Pleochroism
Absent
-
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
Transparent
Refractive Index
1.731.701-1.724
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
-
Birefringence
-99990.005-0.007
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Revitalization
Spiritual Awakening
Healing
Emotional healing
Emotional healing
Qualities Associated
Vitality
Inner Peace