Origin
Brazil
Southern and central Africa
Color
Blue
Brown, Brownish, White, Colorless, Yellow
Streak
-
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
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.60-2.901.58-1.60
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
Indistinct
{011} Imperfect
Mohs Hardness
7.5-82
2
10
👆🏻
Chemical Composition
Be 3Al 2Si 6O 18Ulrich Henn and Claudio C.
Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.
Luster
-
Vitreous
Pleochroism
Strong dichroism: blue to colourless\
Weak: yellowish brown yellowAnthony et al
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.560-1.6041.509-1.541
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
-
Birefringence
0.003-0.0100.030
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Happiness
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Abundance