Origin
Turkey
Southern and central Africa
Color
Colorless, White, Yellow, Greenish, gray, Brown
Blue
Streak
White
Blue
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
3.30-3.403.25
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
{010} perfect, {110} distinct, {100} in traces
Imperfect in one direction
Mohs Hardness
6.5-75-5.5
2
10
👆🏻
Chemical Composition
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Pearly
Vitreous
Pleochroism
Strong
Trichroic
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.702-1.7501.607-1.672
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
monoclinic
Birefringence
0.0480.065
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Transformation
Communication
Healing
Emotional healing
Emotional healing
Qualities Associated
Change
Communication