Origin
India
Italy, Canada
Color
Blue, Greenish
Blue, Red, Yellow, Colorless, Green, White
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
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.25-2.332.90-3.10
1
7.18
👆🏻
Fracture
-
Uneven, Conchoidal
Cleavage
Good on {010}
Poor/indistinct on {1120} and {1011}
Mohs Hardness
3-47
2
10
👆🏻
Chemical Composition
Ca(VO)Si4O10•4(H2O)
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
Luster
Vitreous, Pearly
Vitreous
Pleochroism
Visible: X=Z= colorless Y= blue
Pale green
Dispersion
0.040.02
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.5421.614-1.666
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Trigonal
Birefringence
0.0090.014-0.032
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Emotional healing
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Emotional Healing