Origin
Russia
Southern and central Africa
Color
Black, Violet, Blue, Green
White, Colorless, gray, Yellow
Streak
-
White
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
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.22-3.402.45-2.50
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
1,2 prismatic.
Poor on {110}
Mohs Hardness
5-65.5-6
2
10
👆🏻
Chemical Composition
(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
KAlSi 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
Common trichroism: light green
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.668-1.7031.504-1.510
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
tetragonal
Birefringence
0.024-0.0300.001
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
Good
-
Reproductive
-
3.4g
Digestive
-
-
Psychology
Renewal
Creativity
Healing
Physical healing
Emotional healing
Qualities Associated
Love
Balance