Origin
India
Canada, Brazil, Kenya, Tanzania, Madagascar, Burma, Afghanistan
Color
Blue, Greenish
Violet, White, gray, Brown, pink, Yellow
Streak
Blue, White
White
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
-
-
Durability
-
-
Specific Gravity
2.25-2.332.58-2.74
1
7.18
👆🏻
Fracture
-
ConchoidalWalter Schumann, Splintery
Cleavage
Good on {010}
{100} Distinct, {110} Distinct
Mohs Hardness
3-45.5-6
2
10
👆🏻
Chemical Composition
Ca(VO)Si4O10•4(H2O)
Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous, Pearly
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Pleochroism
Visible: X=Z= colorless Y= blue
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Dispersion
0.040.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.5421.540-1.579
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
tetragonal
Birefringence
0.0090.006-0.037
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
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
Creativity
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Problem Solving & Creativity