Origin
Sri Lanka
Italy, China
Color
Blue
Colorless, White, Blue, gray
Streak
-
White
For which Rashi?
Sagittarius, Scorpio
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Planet
Pluto
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Element of Planets
-
-
Energy
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How to Wear?
Finger
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Ring Metal
-
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Deities
Hephaestus
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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
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Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.65-4.553.09
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
None, but may exhibit slight parting
Perfect on {100} and {010}, imperfect on {101}
Mohs Hardness
7.5-88
2
10
👆🏻
Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
CaAl2Si2O7(OH)2.H2O
Luster
Vitreous
Vitreous, Greasy
Pleochroism
-
Weak
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.735-1.7901.672-1.676
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Orthorhombic
Birefringence
-99990.019-0.021
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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Physical
Neurological
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Cardiovascular
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Respiratory
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Good
Reproductive
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Digestive
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Psychology
Empowerment
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Healing
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Emotional healing
Qualities Associated
Transformation
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