Origin
Southern and central Africa
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Color
Yellow, Blue, Black, Green, gray
Black, Brown
Streak
White
Black
For which Rashi?
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Planet
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Element of Planets
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Energy
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How to Wear?
Finger
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Ring Metal
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Deities
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Not to wear with
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Powers
-
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Birthstone
Planetary
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Talisman
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Tenacity
-
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Solubility
-
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Durability
-
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Specific Gravity
3.43-3.445.2
1
7.18
👆🏻
Fracture
-
Uneven, Conchoidal
Cleavage
None Observed
None
Mohs Hardness
6.5-75.5-6.5
2
10
👆🏻
Chemical Composition
Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Fe 3O 4Ulrich Henn and Claudio C.
Luster
Vitreous
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Pleochroism
visible
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Dispersion
0.020.20
0.005
1
👆🏻
Transparency
-
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Refractive Index
1.696-1.7022.42
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Triclinic
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Birefringence
0.005-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
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Respiratory
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Good
Reproductive
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Digestive
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Supports digestive health
Psychology
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Grounding
Healing
Emotional healing
Physical healing
Qualities Associated
Transformation
Energy