Origin
Southern and central Africa
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Color
Black, Brownish, Brown
Brown, Blue, Green, Yellow, White
Streak
Brown
White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
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Energy
-
-
How to Wear?
Finger
-
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Ring Metal
-
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Deities
-
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Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
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Talisman
-
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Tenacity
Brittle
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Solubility
-
-
Durability
-
-
Specific Gravity
4.5-4.83.32-3.43
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
None, parting may develop along {111}
Poor on {110} and {100} very poor on {001}
Mohs Hardness
5.56-7
2
10
👆🏻
Chemical Composition
Fe++Cr2O4
Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4
Luster
-
Vitreous, Resinous
Pleochroism
none.
slight in colored varieties
Dispersion
0.040.03
0.005
1
👆🏻
Transparency
-
-
Refractive Index
2.08-2.161.703-1.752
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
tetragonal
Birefringence
-99990.004-0.006
0
0.296
👆🏻
Clarity
-
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Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
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Supports heart health
Respiratory
Poor
Good
Reproductive
-
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Digestive
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Psychology
Vitality
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Transformation