Origin
Southern and central Africa
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Color
Blue
Brown, Yellow, White, Greenish
Streak
Blue
White, gray
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
Solubility
-
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Durability
-
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Specific Gravity
3.252.7-3.3
1
7.18
👆🏻
Fracture
-
Uneven, Even
Cleavage
Imperfect in one direction
Perfect on the {001}
Mohs Hardness
5-5.52.5-3.0
2
10
👆🏻
Chemical Composition
CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
K(Mg,Fe++)3[AlSi3O10(OH,F)2
Luster
Vitreous
Vitreous, Pearly
Pleochroism
Trichroic
Strong
Dispersion
0.01-
0.005
1
👆🏻
Transparency
Transparent
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Refractive Index
1.607-1.6721.565-1.625
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
monoclinic
Birefringence
0.0650.03-0.07
0
0.296
👆🏻
Clarity
Transparent
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Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
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Respiratory
Good
Good
Reproductive
-
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Digestive
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Psychology
Communication
Grounding
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Grounding