Origin
Southern and central Africa
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Color
Red, Brown, Black
Brown, Blue, Green, Yellow, White
Streak
Brownish, Red
White
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
Brittle
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Solubility
-
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Durability
-
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Specific Gravity
5.85-6.153.32-3.43
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
Fair in four directions forming octahedrons
Poor on {110} and {100} very poor on {001}
Mohs Hardness
3.5-46-7
2
10
👆🏻
Chemical Composition
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4
Luster
Adamantine
Vitreous, Resinous
Pleochroism
visible
slight in colored varieties
Dispersion
0.050.03
0.005
1
👆🏻
Transparency
TranslucentWalter Schumann
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Refractive Index
2.8491.703-1.752
1
3.25
👆🏻
Optic Character
-
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Crystal System
cubic
tetragonal
Birefringence
-99990.004-0.006
0
0.296
👆🏻
Clarity
TranslucentWalter Schumann
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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
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Vitality
Transformation