Origin
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Australia
Color
Blue, Violet, Colorless, Red, Green, Brown
Blue, Green, Greenish, Black
Streak
White
Grey, gray
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
3.64-3.664.00-4.62
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Conchoidal, Uneven
Cleavage
None, but may exhibit slight parting
Indistinct parting on [111]
Mohs Hardness
87.5-8
2
10
👆🏻
Chemical Composition
MgAl2O4
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Vitreous
Pleochroism
Absent
-
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
-
Refractive Index
1.731.790-1.818
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
cubic
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Aids in digestion and soothes the stomach
Reproductive
-
-
Digestive
-
-
Psychology
Revitalization
Protection
Healing
Emotional healing
Emotional healing
Qualities Associated
Vitality
Harmony