Origin
India
Canada, Russia, Brazil
Color
Blue, Greenish
Brown, Red, Yellow, Violet
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
-
H₂SO₄
Durability
-
-
Specific Gravity
2.25-2.332.74-3.00
1
7.18
👆🏻
Fracture
-
Uneven
Cleavage
Good on {010}
Distinct on {0001} imperfect on {11 2 0}
Mohs Hardness
3-45-5.5
2
10
👆🏻
Chemical Composition
Ca(VO)Si4O10•4(H2O)
Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.
Luster
Vitreous, Pearly
Vitreous
Pleochroism
Visible: X=Z= colorless Y= blue
Weak: O= colorless
Dispersion
0.040.01
0.005
1
👆🏻
Transparency
-
Translucent
Refractive Index
1.5421.591-1.633
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Trigonal
Birefringence
0.0090.003-0.010
0
0.296
👆🏻
Clarity
-
Translucent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Self-Love