Origin
-
Southern and central Africa
Color
Black, Blue, Yellow, Green
Black, Brownish, Brown
Streak
Grey, Greenish, Brown
Brown
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
3.28-3.444.5-4.8
1
7.18
👆🏻
Fracture
Uneven, Splintery
Uneven
Cleavage
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
None, parting may develop along {111}
Mohs Hardness
5.0-6.05.5
2
10
👆🏻
Chemical Composition
Na2Fe2+3Fe3+2Si8O22(OH)2
Fe++Cr2O4
Luster
Vitreous, Silky
-
Pleochroism
X = blue
none.
Dispersion
0.020.04
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.680-1.6982.08-2.16
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Isometric
Birefringence
0.005-0.008-9999
0
0.296
👆🏻
Clarity
-
-
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Respiratory
Good
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Empowerment
Vitality
Healing
Emotional healing
Emotional healing
Qualities Associated
Clear Thinking
Protection