Origin
India
Brazil
Color
Blue, Greenish
Yellow
Streak
Blue, White
Greenish, Black, Brownish
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
-
insoluble in water
Durability
-
-
Specific Gravity
2.25-2.335.00-5.20
1
7.18
👆🏻
Fracture
-
Uneven, Conchoidal, ConchoidalWalter Schumann
Cleavage
Good on {010}
Indistinct on {001}; partings on {011} and {111}
Mohs Hardness
3-46-6.5
2
10
👆🏻
Chemical Composition
Ca(VO)Si4O10•4(H2O)
FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Pearly
-
Pleochroism
Visible: X=Z= colorless Y= blue
-
Dispersion
0.040.04
0.005
1
👆🏻
Transparency
-
OpaqueHerve Nicolas Lazzarelli
Refractive Index
1.542-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Isometric
Birefringence
0.009-9999
0
0.296
👆🏻
Clarity
-
OpaqueHerve Nicolas Lazzarelli
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Abundance
Healing
Emotional healing
Physical healing
Qualities Associated
Communication
Abundance