Origin
Sri Lanka, Southern and central Africa
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Color
Blue
Colorless, Yellow, Brown, Green, Red, Reddish
Streak
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White, Yellow, Colorless
For which Rashi?
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-
Planet
-
-
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
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Brittle
Solubility
-
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Durability
-
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Specific Gravity
3.95-4.103.0-3.1
1
7.18
👆🏻
Fracture
-
-
Cleavage
None
Perfect on {001}
Mohs Hardness
93.5
2
10
👆🏻
Chemical Composition
Al 2O 3Ulrich Henn and Claudio C.
Ca(Mg,Al)3(Al3Si)O10(OH)2
Luster
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Vitreous, Pearly
Pleochroism
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X = colorless
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
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Refractive Index
1.757-1.7801.643-1.648
1
3.25
👆🏻
Optic Character
-
-
Crystal System
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monoclinic
Birefringence
0.007-0.0100.012-0.015
0
0.296
👆🏻
Clarity
Transparent
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Physical
Neurological
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Cardiovascular
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Respiratory
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Poor
Reproductive
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Digestive
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Psychology
Intuition
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Healing
Emotional healing
Emotional healing
Qualities Associated
Creativity
Creativity