Origin
Southern and central Africa
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Color
Red, Brown, Black
Colorless, Yellow, Brown, Green, Red, Reddish
Streak
Brownish, Red
White, Yellow, Colorless
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
Brittle
Solubility
-
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Durability
-
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Specific Gravity
5.85-6.153.0-3.1
1
7.18
👆🏻
Fracture
Conchoidal
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Cleavage
Fair in four directions forming octahedrons
Perfect on {001}
Mohs Hardness
3.5-43.5
2
10
👆🏻
Chemical Composition
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca(Mg,Al)3(Al3Si)O10(OH)2
Luster
Adamantine
Vitreous, Pearly
Pleochroism
visible
X = colorless
Dispersion
0.050.02
0.005
1
👆🏻
Transparency
TranslucentWalter Schumann
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Refractive Index
2.8491.643-1.648
1
3.25
👆🏻
Optic Character
-
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Crystal System
cubic
monoclinic
Birefringence
-99990.012-0.015
0
0.296
👆🏻
Clarity
TranslucentWalter Schumann
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Physical
Neurological
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Cardiovascular
Supports heart health
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Respiratory
Poor
Poor
Reproductive
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Digestive
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Psychology
Vitality
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Healing
Emotional healing
Emotional healing
Qualities Associated
Vitality
Creativity