Origin
USA
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Color
Yellow, Red, Green, Colorless, orange
Blue, Violet, Colorless, Red, Green, Brown
Streak
Yellow, yellowish orange
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
5.50-5.903.64-3.66
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
On {10 1 0}, perfect; parting on {000 1 }
None, but may exhibit slight parting
Mohs Hardness
48
2
10
👆🏻
Chemical Composition
(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
MgAl2O4
Luster
Subadamantine, Resinous
Vitreous
Pleochroism
Very weak
Absent
Dispersion
0.160.02
0.005
1
👆🏻
Transparency
TransparentRobert C. Kammerling
Transparent, Translucent, Transparent to translucent
Refractive Index
2.013-2.0291.73
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Hexagonal
Isometric
Birefringence
0.016-9999
0
0.296
👆🏻
Clarity
TransparentRobert C. Kammerling
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Passion
Revitalization
Healing
-
Emotional healing
Qualities Associated
-
Vitality