Origin
Sri Lanka, Burma, USA, Russia
Afghanistan, China, Madagascar, Southern and central Africa, Pakistan, Sri Lanka, USA
Color
Yellow, Brown, pink, Colorless
Red, Reddish, orange, Brown
Streak
White
White
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.46-3.504.12-4.18
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
Perfect
{???} Distinct
Mohs Hardness
6-77-7.5
2
10
👆🏻
Chemical Composition
MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Luster
-
Vitreous
Pleochroism
Trichroism: green light brown dark brownHerve Nicolas Lazzarelli
-
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.665-1.7121.789-1.820
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Isometric
Birefringence
0.036-0.0420.027
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
Creativity
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Creativity