Origin
India
Austria, Brazil, Canada, India, Madagascar, Russia, Sri Lanka, USA
Color
Blue, Greenish
Red, Brown, Brownish, Black
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
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.25-2.333.95-4.30
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
Good on {010}
none
Mohs Hardness
3-47-7.5
2
10
👆🏻
Chemical Composition
Ca(VO)Si4O10•4(H2O)
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Luster
Vitreous, Pearly
Greasy, Vitreous
Pleochroism
Visible: X=Z= colorless Y= blue
None
Dispersion
0.040.03
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.5421.770-1.820
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
cubic
Birefringence
0.009-9999
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
Supports reproductive health
Digestive
-
-
Psychology
Communication
Strength
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Devotion