Origin
Turkey
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Color
Colorless, White, Yellow, Greenish, gray, Brown
Blue, Violet, Colorless, Red, Green, Brown
Streak
White
White
For which Rashi?
-
Sagittarius, Scorpio
Planet
-
Pluto
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Hephaestus
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Very brittle
-
Solubility
insoluble
-
Durability
-
-
Specific Gravity
3.30-3.403.64-3.66
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
{010} perfect, {110} distinct, {100} in traces
None, but may exhibit slight parting
Mohs Hardness
6.5-78
2
10
👆🏻
Chemical Composition
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
MgAl2O4
Luster
Pearly
Vitreous
Pleochroism
Strong
Absent
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent
Transparent, Translucent, Transparent to translucent
Refractive Index
1.702-1.7501.73
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Isometric
Birefringence
0.048-9999
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Transformation
Revitalization
Healing
Emotional healing
Emotional healing
Qualities Associated
Change
Vitality