Origin
India
Sri Lanka
Color
Blue, Greenish
Green, Red, Blue, Brown, pink
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
2.25-2.333.02
1
7.18
👆🏻
Fracture
-
Uneven, Conchoidal
Cleavage
Good on {010}
{0001} Poor
Mohs Hardness
3-4-9999
2
10
👆🏻
Chemical Composition
Ca(VO)Si4O10•4(H2O)
Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Luster
Vitreous, Pearly
Vitreous
Pleochroism
Visible: X=Z= colorless Y= blue
Strong: dark brown light brownAnthony et al
Dispersion
0.040.01
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.542-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
-
Birefringence
0.009-9999
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Communication
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Creativity