Origin
Sri Lanka
Russia
Color
Blue
Black, Violet, Blue, Green
Streak
-
-
For which Rashi?
Sagittarius, Scorpio
Gemini, Virgo
Planet
Pluto
Mercury
Element of Planets
-
Earth
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Hephaestus
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.65-4.553.22-3.40
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
None, but may exhibit slight parting
1,2 prismatic.
Mohs Hardness
7.5-85-6
2
10
👆🏻
Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
Luster
Vitreous
Vitreous
Pleochroism
-
Common trichroism: light green
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.735-1.7901.668-1.703
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
monoclinic
Birefringence
-99990.024-0.030
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
-
Physical
Neurological
-
-
Cardiovascular
-
Supports heart health
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Empowerment
Renewal
Healing
-
Physical healing
Qualities Associated
Transformation
Love