Origin
India
USA, Mexico, Brazil, Switzerland, Sri Lanka, Burma, Madagascar, Origins: USA, Germany, Japan
Color
Blue, Greenish
Yellow, Brown, Colorless, White, gray, Brownish
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
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
2.25-2.332.97-3.03
1
7.18
👆🏻
Fracture
-
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
Good on {010}
{001} Poor
Mohs Hardness
3-47
2
10
👆🏻
Chemical Composition
Ca(VO)Si4O10•4(H2O)
CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Pearly
Vitreous, Greasy
Pleochroism
Visible: X=Z= colorless Y= blue
Weak: pale yellow yellow
Dispersion
0.040.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.5421.627-1.639
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.0090.006
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
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Spiritual Awareness
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Spiritual Awakening