Origin
Sri Lanka, Burma, USA, Russia
USA
Color
Yellow, Brown, pink, Colorless
Brown, Red, Black, Brownish
Streak
White
Reddish, Brown
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
3.46-3.505.05-5.22
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
Perfect
None
Mohs Hardness
6-75.5-6
2
10
👆🏻
Chemical Composition
MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Luster
-
-
Pleochroism
Trichroism: green light brown dark brownHerve Nicolas Lazzarelli
-
Dispersion
0.020.19
0.005
1
👆🏻
Transparency
-
Translucent
Refractive Index
1.665-1.712-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
Birefringence
0.036-0.042-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Intuition
Creativity
Healing
Emotional healing
-
Qualities Associated
Emotional Healing
Grounding