Origin
Turkey
Brazil, Southern and central Africa, Sri Lanka
Color
Colorless, White, Yellow, Greenish, gray, Brown
Red, gray
Streak
White
Red, Black
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
Insoluble in acids
Durability
-
-
Specific Gravity
3.30-3.404.20-4.30
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Conchoidal
Cleavage
{010} perfect, {110} distinct, {100} in traces
{110} good, 100 moderate, parting on {092} and {011}
Mohs Hardness
6.5-76-6.5
2
10
👆🏻
Chemical Composition
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Pearly
Adamantine
Pleochroism
Strong
Weak to distinct brownish red-green-yellow
Dispersion
0.010.33
0.005
1
👆🏻
Transparency
Transparent
Transparent, Translucent
Refractive Index
1.702-1.7502.609-2.903
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
tetragonal
Birefringence
0.0480.296
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Transformation
Clarity
Healing
Emotional healing
Physical healing
Qualities Associated
Change
Awareness