Origin
Southern and central Africa
Sri Lanka, Burma, USA, Russia
Color
Yellow, Brown, Black
Yellow, Brown, pink, Colorless
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
4.3923.46-3.50
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
{010} moderate, {100} imperfect
Perfect
Mohs Hardness
6.5-76-7
2
10
👆🏻
Chemical Composition
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Resinous
-
Pleochroism
Faint
Trichroism: green light brown dark brownHerve Nicolas Lazzarelli
Dispersion
0.030.02
0.005
1
👆🏻
Transparency
TransparentAnthony et al
-
Refractive Index
1.827-1.8791.665-1.712
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.042-0.0510.036-0.042
0
0.296
👆🏻
Clarity
TransparentAnthony et al
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Creativity
Intuition
Healing
Physical healing
Emotional healing
Qualities Associated
Creativity
Emotional Healing