Origin
Southern and central Africa
Turkey
Color
Black, Brownish, Brown
Colorless, White, Yellow, Greenish, gray, Brown
Streak
Brown
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
Brittle
Very brittle
Solubility
-
insoluble
Durability
-
-
Specific Gravity
4.5-4.83.30-3.40
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
None, parting may develop along {111}
{010} perfect, {110} distinct, {100} in traces
Mohs Hardness
5.56.5-7
2
10
👆🏻
Chemical Composition
Fe++Cr2O4
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
-
Pearly
Pleochroism
none.
Strong
Dispersion
0.040.01
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
2.08-2.161.702-1.750
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Orthorhombic
Birefringence
-99990.048
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
-
-
Cardiovascular
-
Supports heart health
Respiratory
Poor
-
Reproductive
-
-
Digestive
-
-
Psychology
Vitality
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Change