Origin
Sri Lanka, Burma, USA, Russia
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Color
Yellow, Brown, pink, Colorless
Blue, Violet, Colorless, Red, Green, Brown
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
3.46-3.503.64-3.66
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
Perfect
None, but may exhibit slight parting
Mohs Hardness
6-78
2
10
👆🏻
Chemical Composition
MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
MgAl2O4
Luster
-
Vitreous
Pleochroism
Trichroism: green light brown dark brownHerve Nicolas Lazzarelli
Absent
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
Transparent, Translucent, Transparent to translucent
Refractive Index
1.665-1.7121.73
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Isometric
Birefringence
0.036-0.042-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Intuition
Revitalization
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Vitality