Origin
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
USA, Switzerland, Tanzania, Madagascar, Russia, Sri Lanka
Color
Blue, Violet, Colorless, Red, Green, Brown
Colorless, Yellow, pink, Red
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
3.64-3.662.90-2.98
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Conchoidal, ConchoidalWalter Schumann
Cleavage
None, but may exhibit slight parting
Distinct on {11 2 0}, imperfect on {10 1 1}
Mohs Hardness
87.5-8
2
10
👆🏻
Chemical Composition
MgAl2O4
Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
Absent
Distinct: colorless orangy-yellowHerve Nicolas Lazzarelli
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
-
Refractive Index
1.731.650-1.695
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Trigonal
Birefringence
-99990.016
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
-
Supports heart health
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Revitalization
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Vitality
Spiritual Activation