Origin
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Turkey
Color
Blue, Violet, Colorless, Red, Green, Brown
Colorless, White, Yellow, Greenish, gray, 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
3.64-3.663.30-3.40
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Conchoidal
Cleavage
None, but may exhibit slight parting
{010} perfect, {110} distinct, {100} in traces
Mohs Hardness
86.5-7
2
10
👆🏻
Chemical Composition
MgAl2O4
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous
Pearly
Pleochroism
Absent
Strong
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
Transparent
Refractive Index
1.731.702-1.750
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Orthorhombic
Birefringence
-99990.048
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
-
-
Cardiovascular
-
Supports heart health
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Revitalization
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Vitality
Change