Origin
India
Southern and central Africa
Color
Blue, Greenish
Yellow, Blue, Colorless, White
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
2.25-2.333.28-3.31
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
Good on {010}
None observed
Mohs Hardness
3-46.5-7.5
2
10
👆🏻
Chemical Composition
Ca(VO)Si4O10•4(H2O)
Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.
Luster
Vitreous, Pearly
Vitreous
Pleochroism
Visible: X=Z= colorless Y= blue
Colorless
Dispersion
0.040.01
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.5421.638-1.650
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Hexagonal
Birefringence
0.0090.0130
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Clarity