Origin
Southern and central Africa
Southern and central Africa
Color
Black, Brownish, Brown
Yellow, White
Streak
Brown
gray, Brownish, Black
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
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.5-4.84.80-4.90
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
None, parting may develop along {111}
{010} Indistinct
Mohs Hardness
5.56-6.5
2
10
👆🏻
Chemical Composition
Fe++Cr2O4
FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
-
Pleochroism
none.
-
Dispersion
0.040.05
0.005
1
👆🏻
Transparency
-
-
Refractive Index
2.08-2.16-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
-
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
-
-
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Poor
-
Reproductive
-
-
Digestive
-
-
Psychology
Vitality
Protection
Healing
Emotional healing
-
Qualities Associated
Protection
Protection