Origin
Southern and central Africa
Southern and central Africa, Burma, Tanzania, India, Sri Lanka
Color
Black, Brownish, Brown
Yellow, White, Green, Brown, Greenish, gray
Streak
Brown
Grey, gray
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
4.5-4.83.20-3.25
1
7.18
👆🏻
Fracture
Uneven
Uneven, Conchoidal
Cleavage
None, parting may develop along {111}
Good/distinct on [210]
Mohs Hardness
5.55.5
2
10
👆🏻
Chemical Composition
Fe++Cr2O4
Mg 2Si 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
Vitreous, Pearly
Pleochroism
none.
Pale green to pale orange
Dispersion
0.040.01
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
2.08-2.161.650-1.680
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Orthorhombic
Birefringence
-99990.009-0.011
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Poor
-
Reproductive
-
-
Digestive
-
-
Psychology
Vitality
Grounding
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Grounding