Origin
Turkey
Canada, Southern and central Africa, Australia
Color
Colorless, White, Yellow, Greenish, gray, Brown
Colorless, White, gray
Streak
White
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
Brittle
Solubility
insoluble
-
Durability
-
-
Specific Gravity
3.30-3.402.72-2.75
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
{010} perfect, {110} distinct, {100} in traces
Perfect on [001], good on [010], imperfect on [110]
Mohs Hardness
6.5-76-6.5
2
10
👆🏻
Chemical Composition
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Pearly
Vitreous, Pearly
Pleochroism
Strong
colorless.
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.702-1.7501.561-1.583
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Triclinic
Birefringence
0.0480.010-0.011
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
-
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Transformation
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Change
Clarity