Origin
Southern and central Africa
China, Pakistan
Color
Black, Brownish, Brown
Red, Brown, Black, pink, Brownish
Streak
Brown
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
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.5-4.83.85-3.94
1
7.18
👆🏻
Fracture
Uneven
Conchoidal, Uneven
Cleavage
None, parting may develop along {111}
{010} Good, {100} Distinct
Mohs Hardness
5.55-5.5
2
10
👆🏻
Chemical Composition
Fe++Cr2O4
(Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
-
Vitreous
Pleochroism
none.
DistinctArthur Thomas
Dispersion
0.040.04
0.005
1
👆🏻
Transparency
-
Translucent
Refractive Index
2.08-2.161.643-1.703
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
-
Birefringence
-99990.020
0
0.296
👆🏻
Clarity
-
Translucent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Poor
Good
Reproductive
-
-
Digestive
-
-
Psychology
Vitality
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Creativity