Origin
India
Russia
Color
Blue, Greenish
Violet, Brown
Streak
Blue, White
White
For which Rashi?
-
Sagittarius, Scorpio
Planet
-
Jupiter, Neptune
Element of Planets
-
Water, Earth, Air
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Minerva
Not to wear with
-
-
Powers
-
Healing, Love, Protection
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.25-2.332.54-2.78
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
Good on {010}
Good in three directions
Mohs Hardness
3-45-6
2
10
👆🏻
Chemical Composition
Ca(VO)Si4O10•4(H2O)
K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Pearly
Pearly, Chatoyant
Pleochroism
Visible: X=Z= colorless Y= blue
-
Dispersion
0.040.02
0.005
1
👆🏻
Transparency
-
Translucent
Refractive Index
1.5421.545-1.560
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Triclinic
Birefringence
0.0090.009
0
0.296
👆🏻
Clarity
-
Translucent
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Transformation