Origin
Southern and central Africa
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Color
Red, Brown, Black
White, Colorless, Blue, Red, Green, Yellow, Violet
Streak
Brownish, Red
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For which Rashi?
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-
Planet
-
-
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
-
-
Birthstone
Planetary
-
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Talisman
-
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Tenacity
Brittle
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Solubility
-
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Durability
-
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Specific Gravity
5.85-6.153.5-3.8
1
7.18
👆🏻
Fracture
Conchoidal
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Cleavage
Fair in four directions forming octahedrons
1,1 ; 3,2
Mohs Hardness
3.5-48.5
2
10
👆🏻
Chemical Composition
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
BeAl 2 O 4
Luster
Adamantine
Vitreous
Pleochroism
visible
-
Dispersion
0.050.02
0.005
1
👆🏻
Transparency
TranslucentWalter Schumann
Translucent
Refractive Index
2.8491.744-1.755
1
3.25
👆🏻
Optic Character
-
-
Crystal System
cubic
Orthorhombic
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
TranslucentWalter Schumann
Translucent
Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Poor
Good
Reproductive
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Digestive
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Psychology
Vitality
Protection
Healing
Emotional healing
Emotional healing
Qualities Associated
Vitality
Protection