Origin
India
Brazil
Color
Blue, Greenish
Yellow, Brown, Black, Colorless, White, Brownish
Streak
Blue, White
White
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
Brittle
Solubility
-
Effervesces in hot HCl
Durability
-
-
Specific Gravity
2.25-2.332.92-3.12
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
Good on {010}
[10 1 1] perfect
Mohs Hardness
3-43.5-4.5
2
10
👆🏻
Chemical Composition
Ca(VO)Si4O10•4(H2O)
MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Pearly
Vitreous
Pleochroism
Visible: X=Z= colorless Y= blue
-
Dispersion
0.040.03
0.005
1
👆🏻
Transparency
-
Translucent
Refractive Index
1.5421.509-1.720
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Trigonal
Birefringence
0.0090.191
0
0.296
👆🏻
Clarity
-
Translucent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Communication
Calming
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Relaxation