Origin
Russia
Australia
Color
Black, Violet, Blue, Green
Blue, Green, Greenish, Black
Streak
-
Grey, gray
For which Rashi?
Gemini, Virgo
-
Planet
Mercury
-
Element of Planets
Earth
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.22-3.404.00-4.62
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
1,2 prismatic.
Indistinct parting on [111]
Mohs Hardness
5-67.5-8
2
10
👆🏻
Chemical Composition
(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Vitreous
Pleochroism
Common trichroism: light green
-
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.668-1.7031.790-1.818
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
cubic
Birefringence
0.024-0.030-9999
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Respiratory
Good
Aids in digestion and soothes the stomach
Reproductive
-
-
Digestive
-
-
Psychology
Renewal
Protection
Healing
Physical healing
Emotional healing
Qualities Associated
Love
Harmony