Origin
India, Russia
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Color
White
Blue, Violet, Colorless, Red, Green, Brown
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
2.25-2.403.64-3.66
1
7.18
👆🏻
Fracture
-
Conchoidal, Uneven
Cleavage
perfect on {010}; good on {100}
None, but may exhibit slight parting
Mohs Hardness
5-5.58
2
10
👆🏻
Chemical Composition
NaCa 2Al 5Si 5O 20 · 6H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
MgAl2O4
Luster
Vitreous, Pearly
Vitreous
Pleochroism
-
Absent
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Translucent
Transparent, Translucent, Transparent to translucent
Refractive Index
1.510-1.5501.73
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Isometric
Birefringence
0.015-0.020-9999
0
0.296
👆🏻
Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
-
Revitalization
Healing
Emotional healing
Emotional healing
Qualities Associated
Awareness
Vitality