Origin
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
India, Russia
Color
Blue, Violet, Colorless, Red, Green, Brown
White
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
-
-
Durability
-
-
Specific Gravity
3.64-3.662.25-2.40
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
-
Cleavage
None, but may exhibit slight parting
perfect on {010}; good on {100}
Mohs Hardness
85-5.5
2
10
👆🏻
Chemical Composition
MgAl2O4
NaCa 2Al 5Si 5O 20 · 6H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Pearly
Pleochroism
Absent
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
Translucent
Refractive Index
1.731.510-1.550
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Orthorhombic
Birefringence
-99990.015-0.020
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Revitalization
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Vitality
Awareness