Origin
Turkey
Australia
Color
Colorless, White, Yellow, Greenish, gray, Brown
Red
Streak
White
White, Colorless
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
3.30-3.403.1
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Conchoidal
Cleavage
{010} perfect, {110} distinct, {100} in traces
Perfect {010} imperfect {100}
Mohs Hardness
6.5-76-7
2
10
👆🏻
Chemical Composition
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Ca2Al3(SiO4)3(OH)
Luster
Pearly
Vitreous
Pleochroism
Strong
Present
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent
Opaque, Translucent, Opaque . May be translucent in thin backlit sections.
Refractive Index
1.702-1.7501.695
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.0480.006-0.018
0
0.296
👆🏻
Clarity
Transparent
OpaqueHerve Nicolas Lazzarelli
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
-
-
Reproductive
-
-
Digestive
-
-
Psychology
Transformation
Emotional Healing
Healing
Emotional healing
Emotional healing
Qualities Associated
Change
Love