Origin
India
Ethiopia, Afghanistan, China, Australia, Origins: Brazil (major source); also found in USA, Germany, France, UK, Finland, Norway, Sweden, Namibia, Zaire, China and Australia.
Color
Blue, Greenish
Brown, Green, White, Colorless, Yellow, Blue, gray, pink, Greenish
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
2.25-2.332.98-3.10
1
7.18
👆🏻
Fracture
-
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Cleavage
Good on {010}
[100] Perfect, [110] Good, [011] Distinct
Mohs Hardness
3-46
2
10
👆🏻
Chemical Composition
Ca(VO)Si4O10•4(H2O)
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Luster
Vitreous, Pearly
Vitreous, Pearly
Pleochroism
Visible: X=Z= colorless Y= blue
weak to none
Dispersion
0.040.01
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.5421.578-1.646
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
Orthorhombic
Triclinic
Birefringence
0.0090.020-0.030
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Respiratory
Good
Excellent
Reproductive
-
Supports reproductive health
Digestive
-
-
Psychology
Communication
Peace
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Peace