Origin
Madagascar, Sri Lanka
India, Brazil, China, Australia
Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Green, Red, Yellow
Streak
Not Available
Not Available
For which Rashi?
Not Available
All
Planet
Not Available
Not Available
Element of Planets
Not Available
Air, Earth
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Energy
Not Available
Not Available
Deities
Not Available
Not Noted
Not to wear with
Not Available
Not Available
Powers
Not Available
Healing
Planetary
Not Available
Not Available
Talisman
Not Available
Not Available
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.80
2.61
Fracture
Not Available
Not Available
Cleavage
Not Available
Not Available
Chemical Composition
(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
Not Available
Luster
Not Available
Vitreous
Pleochroism
Not Available
Not Available
Dispersion
Not Available
Not Available
Transparency
Gemmological Tables (2004)
Not Available
Refractive Index
1.780
1.53-1.54
Optic Character
Not Available
Not Available
Crystal System
Not Available
Trigonal
Birefringence
Not Available
0.004
Clarity
Gemmological Tables (2004)
Not Available
Neurological
Not Available
Not Available
Cardiovascular
Not Available
Not Available
Respiratory
Not Available
Not Available
Reproductive
Not Available
Not Available
Digestive
Not Available
Not Available
Psychology
Not Available
Not Available
Healing
Not Available
Not Available
Qualities Associated
Not Available
Not Available