Origin
Southern and central Africa
Southern and central Africa
Color
Red, Brown, Black
Colorless, Brown, Greenish, gray
Streak
Brownish, Red
White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
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
-
-
Durability
-
-
Specific Gravity
5.85-6.152.62-2.67
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
Fair in four directions forming octahedrons
From the Greek, oligos and kasein, little cleavage.
Mohs Hardness
3.5-46-6.5
2
10
👆🏻
Chemical Composition
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Adamantine
Vitreous
Pleochroism
visible
-
Dispersion
0.050.01
0.005
1
👆🏻
Transparency
TranslucentWalter Schumann
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Refractive Index
2.8491.538-1.550
1
3.25
👆🏻
Optic Character
-
-
Crystal System
cubic
-
Birefringence
-99990.010
0
0.296
👆🏻
Clarity
TranslucentWalter Schumann
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
Supports heart health
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Respiratory
Poor
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Reproductive
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Digestive
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Psychology
Vitality
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Vitality
Harmony