Origin
Russia
India
Color
Black, Violet, Blue, Green
Colorless, White, gray, Brownish, Greenish
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
-
Elastic
Solubility
-
-
Durability
-
-
Specific Gravity
3.22-3.402.78-2.88
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
1,2 prismatic.
Perfect on the {001}
Mohs Hardness
5-62-3
2
10
👆🏻
Chemical Composition
(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
KAl 2AlSi 3O 10(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous
Vitreous, Silky, Pearly
Pleochroism
Common trichroism: light green
Weak
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.668-1.7031.552-1.618
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
monoclinic
Birefringence
0.024-0.030-9999
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Renewal
Reflection
Healing
Physical healing
Emotional healing
Qualities Associated
Love
Awareness