Origin
India
Southern and central Africa
Color
Colorless, White, gray, Brownish, Greenish
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
Elastic
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.78-2.883.25
1
7.18
👆🏻
Fracture
-
-
Cleavage
Perfect on the {001}
Imperfect in one direction
Mohs Hardness
2-35-5.5
2
10
👆🏻
Chemical Composition
KAl 2AlSi 3O 10(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Silky, Pearly
Vitreous
Pleochroism
Weak
Trichroic
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.552-1.6181.607-1.672
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
monoclinic
Birefringence
-99990.065
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Reflection
Communication
Healing
Emotional healing
Emotional healing
Qualities Associated
Awareness
Communication