Origin
India
Southern and central Africa
Color
Blue, Greenish
Greenish, Blue, Colorless, Green, Yellow
Streak
Blue, White
Greenish, 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
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Solubility
-
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Durability
-
-
Specific Gravity
2.25-2.333.17-3.24
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
Good on {010}
(0001) indistinct
Mohs Hardness
3-49-9.5
2
10
👆🏻
Chemical Composition
Ca(VO)Si4O10•4(H2O)
SiCArthur Thomas , Gemstones (2009)
Luster
Vitreous, Pearly
Adamantine
Pleochroism
Visible: X=Z= colorless Y= blue
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Dispersion
0.040.10
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.5422.648-2.691
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
6H polytype
Birefringence
0.0090.043
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
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Cardiovascular
Supports heart health
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Respiratory
Good
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Reproductive
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Digestive
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Psychology
Communication
Clarity
Healing
Emotional healing
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Qualities Associated
Communication
Creativity