Origin
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Australia
Color
Blue, Violet, Colorless, Red, Green, Brown
Reddish, Brown, Red, pink
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
-
-
Solubility
-
Partly soluble in HCl.
Durability
-
-
Specific Gravity
3.64-3.663.32-3.43
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Conchoidal
Cleavage
None, but may exhibit slight parting
{100} perfect; {110} and {1 1 0} good; {010} poor
Mohs Hardness
85.5-6
2
10
👆🏻
Chemical Composition
MgAl2O4
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
Absent
Weak
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
Transparent, Translucent
Refractive Index
1.731.662-1.707
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Triclinic
Birefringence
-99990.013-0.015
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Revitalization
Love
Healing
Emotional healing
Emotional healing
Qualities Associated
Vitality
Love