Origin
Brazil
India
Color
Blue
Yellow, Greenish, Blue, Brown, Green, gray
Streak
-
Yellow
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.60-2.904.23
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
Indistinct
{111} Distinct
Mohs Hardness
7.5-83.5-4
2
10
👆🏻
Chemical Composition
Be 3Al 2Si 6O 18Ulrich Henn and Claudio C.
CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
-
Greasy, Subadamantine
Pleochroism
Strong dichroism: blue to colourless\
In deeply colored specimens: blue greenAnthony et al
Dispersion
0.010.03
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.560-1.6041.974-1.984
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
-
Birefringence
0.003-0.010-9999
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Communication
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Vitality