Origin
Southern and central Africa
-
Color
Black, Brownish, Brown
Brown, Yellow, White, Greenish
Streak
Brown
White, 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
4.5-4.82.7-3.3
1
7.18
👆🏻
Fracture
Uneven
Uneven, Even
Cleavage
None, parting may develop along {111}
Perfect on the {001}
Mohs Hardness
5.52.5-3.0
2
10
👆🏻
Chemical Composition
Fe++Cr2O4
K(Mg,Fe++)3[AlSi3O10(OH,F)2
Luster
-
Vitreous, Pearly
Pleochroism
none.
Strong
Dispersion
0.04-
0.005
1
👆🏻
Transparency
-
-
Refractive Index
2.08-2.161.565-1.625
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
monoclinic
Birefringence
-99990.03-0.07
0
0.296
👆🏻
Clarity
-
-
Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Poor
Good
Reproductive
-
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Digestive
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Psychology
Vitality
Grounding
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Grounding