Origin
India
Mexico
Color
Blue, Greenish
White, gray, Brownish, Yellow, Greenish
Streak
Blue, White
White
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
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-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
Sectile
Solubility
-
Soluble
Durability
-
-
Specific Gravity
2.25-2.336.13
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
Good on {010}
Distinct on {001} and {110}, indistinct on {100}
Mohs Hardness
3-42-3
2
10
👆🏻
Chemical Composition
Ca(VO)Si4O10•4(H2O)
Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Pearly
Adamantine
Pleochroism
Visible: X=Z= colorless Y= blue
Weakly pleochroic with O reddish and E greenish in thick sections.
Dispersion
0.040.04
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.5422.117-2.145
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
tetragonal
Birefringence
0.0090.027
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
-
-
Digestive
-
-
Psychology
Communication
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Healing
Emotional healing
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Qualities Associated
Communication
Transformation