Origin
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Southern and central Africa
Color
Blue, Violet, Colorless, Red, Green, Brown
White, Colorless, Blue, Red, Green, Yellow, Violet, Black
Streak
White
Colorless
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
3.64-3.663.03-3.18
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Uneven, Irregular, Conchoidal
Cleavage
None, but may exhibit slight parting
{???} Indistinct
Mohs Hardness
87-7.5
2
10
👆🏻
Chemical Composition
MgAl2O4
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Luster
Vitreous
Vitreous
Pleochroism
Absent
Very strong: pale yellow colorless
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
Transparent
Refractive Index
1.731.614-1.666
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
Birefringence
-99990.014-0.032
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Revitalization
Self-acceptance
Healing
Emotional healing
Emotional healing
Qualities Associated
Vitality
Self-Exploration