Origin
Austria, India
Sri Lanka
Color
White
Blue
Streak
-
-
For which Rashi?
Aries
Sagittarius, Scorpio
Planet
Mercury
Pluto
Element of Planets
Air
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Venus
Hephaestus
Not to wear with
-
-
Powers
Healing
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.64-2.693.65-4.55
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
Indiscernible
None, but may exhibit slight parting
Mohs Hardness
7-6.57.5-8
2
10
👆🏻
Chemical Composition
SiO2
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Luster
Vitreous
Vitreous
Pleochroism
-
-
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Translucent, Opaque . May be translucent when backlit on the edges.
-
Refractive Index
1.544-1.5531.735-1.790
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Isometric
Birefringence
0.007-0.010-9999
0
0.296
👆🏻
Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Aids in mental clarity and focus
-
Cardiovascular
Supports heart health
-
Respiratory
Excellent
-
Reproductive
-
-
Digestive
-
-
Psychology
Prosperity
Empowerment
Healing
Emotional healing
-
Qualities Associated
Prosperity
Transformation