Origin
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
China, Pakistan
Color
Blue, Violet, Colorless, Red, Green, Brown
Red, Brown, Black, pink, Brownish
Streak
White
gray
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
-
-
Durability
-
-
Specific Gravity
3.64-3.663.85-3.94
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Conchoidal, Uneven
Cleavage
None, but may exhibit slight parting
{010} Good, {100} Distinct
Mohs Hardness
85-5.5
2
10
👆🏻
Chemical Composition
MgAl2O4
(Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Vitreous
Pleochroism
Absent
DistinctArthur Thomas
Dispersion
0.020.04
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
Translucent
Refractive Index
1.731.643-1.703
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
-
Birefringence
-99990.020
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Revitalization
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Vitality
Creativity