Origin
Southern and central Africa
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Color
Blue, Grey
Yellow, Black
Streak
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Green
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
-
-
Specific Gravity
2.58-2.644.39
1
7.18
👆🏻
Fracture
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Uneven
Cleavage
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{111} Indistinct, {111} Indistinct, {111} Indistinct
Mohs Hardness
77.5-8
2
10
👆🏻
Chemical Composition
SiO 2Walter Schumann , Gemstones of the world (2001)
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
Luster
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Vitreous
Pleochroism
-
-
Dispersion
0.050.03
0.005
1
👆🏻
Transparency
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Translucent
Refractive Index
1.534-1.5401.80-1.83
1
3.25
👆🏻
Optic Character
-
-
Crystal System
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Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
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Translucent
Physical
Neurological
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Cardiovascular
Aids in digestion and soothes the stomach
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Respiratory
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Good
Reproductive
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Digestive
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Psychology
Protection
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Healing
Emotional healing
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Qualities Associated
Protection
Balance