Origin
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
USA
Color
Blue, Violet, Colorless, Red, Green, Brown
Yellow, Red, Green, Colorless, orange
Streak
White
Yellow, yellowish orange
For which Rashi?
Sagittarius, Scorpio
-
Planet
Pluto
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Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Hephaestus
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Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.64-3.665.50-5.90
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Conchoidal
Cleavage
None, but may exhibit slight parting
On {10 1 0}, perfect; parting on {000 1 }
Mohs Hardness
84
2
10
👆🏻
Chemical Composition
MgAl2O4
(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Subadamantine, Resinous
Pleochroism
Absent
Very weak
Dispersion
0.020.16
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
TransparentRobert C. Kammerling
Refractive Index
1.732.013-2.029
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Hexagonal
Birefringence
-99990.016
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentRobert C. Kammerling
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Revitalization
Passion
Healing
Emotional healing
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Qualities Associated
Vitality
-