Origin
India
Brazil, Southern and central Africa, Sri Lanka
Color
Blue, Greenish
Red, gray
Streak
Blue, White
Red, Black
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
-
Solubility
-
Insoluble in acids
Durability
-
-
Specific Gravity
2.25-2.334.20-4.30
1
7.18
👆🏻
Fracture
-
Uneven, Conchoidal
Cleavage
Good on {010}
{110} good, 100 moderate, parting on {092} and {011}
Mohs Hardness
3-46-6.5
2
10
👆🏻
Chemical Composition
Ca(VO)Si4O10•4(H2O)
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Pearly
Adamantine
Pleochroism
Visible: X=Z= colorless Y= blue
Weak to distinct brownish red-green-yellow
Dispersion
0.040.33
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
1.5422.609-2.903
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
tetragonal
Birefringence
0.0090.296
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Clarity
Healing
Emotional healing
Physical healing
Qualities Associated
Communication
Awareness