Origin
India
Turkey
Color
Blue, Greenish
Colorless, White, Yellow, Greenish, gray, Brown
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
Very brittle
Solubility
-
insoluble
Durability
-
-
Specific Gravity
2.25-2.333.30-3.40
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
Good on {010}
{010} perfect, {110} distinct, {100} in traces
Mohs Hardness
3-46.5-7
2
10
👆🏻
Chemical Composition
Ca(VO)Si4O10•4(H2O)
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous, Pearly
Pearly
Pleochroism
Visible: X=Z= colorless Y= blue
Strong
Dispersion
0.040.01
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.5421.702-1.750
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.0090.048
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
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
Change