Origin
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Canada
Color
Blue, Violet, Colorless, Red, Green, Brown
Yellow, Reddish, Brown, Brownish, Green, gray, Colorless
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
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.64-3.662.72-2.83
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Uneven
Cleavage
None, but may exhibit slight parting
Good on {100} and {110}
Mohs Hardness
86-7
2
10
👆🏻
Chemical Composition
MgAl2O4
Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
Luster
Vitreous
Vitreous, Pearly
Pleochroism
Absent
Weak; O = colorless to yellow; E = colorless to honey-yellow
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
Transparent, Translucent
Refractive Index
1.731.610-1.647
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
tetragonal
Birefringence
-99990.021
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Revitalization
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Vitality
Inner Peace