Origin
Brazil
Turkey
Color
Blue
Colorless, White, Yellow, Greenish, gray, Brown
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
-
Very brittle
Solubility
-
insoluble
Durability
-
-
Specific Gravity
2.60-2.903.30-3.40
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
Indistinct
{010} perfect, {110} distinct, {100} in traces
Mohs Hardness
7.5-86.5-7
2
10
👆🏻
Chemical Composition
Be 3Al 2Si 6O 18Ulrich Henn and Claudio C.
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
-
Pearly
Pleochroism
Strong dichroism: blue to colourless\
Strong
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.560-1.6041.702-1.750
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Orthorhombic
Birefringence
0.003-0.0100.048
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
Supports heart health
Respiratory
-
-
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Change