Origin
India
Southern and central Africa
Color
Blue, Greenish
Violet, Brownish, Black, pink, Red, Reddish
Streak
Blue, White
Red
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
2.25-2.333.2-3.4
1
7.18
👆🏻
Fracture
-
Uneven
Cleavage
Good on {010}
[100] [001] perfect
Mohs Hardness
3-44-4.5
2
10
👆🏻
Chemical Composition
Ca(VO)Si4O10•4(H2O)
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous, Pearly
-
Pleochroism
Visible: X=Z= colorless Y= blue
StrongArthur Thomas
Dispersion
0.040.01
0.005
1
👆🏻
Transparency
-
TranslucentWalter Schumann
Refractive Index
1.5421.85-1.92
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.0090.070
0
0.296
👆🏻
Clarity
-
TranslucentWalter Schumann
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Communication
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Spiritual Awareness