Origin
India
Vietnam
Color
Blue, Greenish
Yellow, Brown, White, orange
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
-
-
Durability
-
-
Specific Gravity
2.25-2.333.20-3.32
1
7.18
👆🏻
Fracture
-
Uneven, Conchoidal
Cleavage
Good on {010}
Poor
Mohs Hardness
3-46-6.5
2
10
👆🏻
Chemical Composition
Ca(VO)Si4O10•4(H2O)
(Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous, Pearly
Vitreous
Pleochroism
Visible: X=Z= colorless Y= blue
pale golden yellow or deep golden yellow
Dispersion
0.040.03
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.5421.607-1.675
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.009-9999
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Harmony
Healing
Emotional healing
Physical healing
Qualities Associated
Communication
Harmony