Origin
Southern and central Africa
Sri Lanka
Color
Red, Brown, Black
Red, Brown, Black
Streak
Brownish, Red
Brown
For which Rashi?
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Planet
-
-
Element of Planets
-
-
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
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.85-6.152.97-3.14
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Conchoidal
Cleavage
Fair in four directions forming octahedrons
{1011} Indistinct
Mohs Hardness
3.5-4-9999
2
10
👆🏻
Chemical Composition
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Luster
Adamantine
Vitreous
Pleochroism
visible
Pale yellow colorlessAnthony et al
Dispersion
0.050.02
0.005
1
👆🏻
Transparency
TranslucentWalter Schumann
Transparent
Refractive Index
2.8491.614-1.666
1
3.25
👆🏻
Optic Character
-
-
Crystal System
cubic
-
Birefringence
-99990.014-0.032
0
0.296
👆🏻
Clarity
TranslucentWalter Schumann
Transparent
Physical
Neurological
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Cardiovascular
Supports heart health
Supports heart health
Respiratory
Poor
Good
Reproductive
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Digestive
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Psychology
Vitality
Empowerment
Healing
Emotional healing
Emotional healing
Qualities Associated
Vitality
Empowerment