Origin
Russia
Southern and central Africa
Color
Black, Violet, Blue, Green
Colorless, White, gray, Brown, pink
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
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.22-3.403.05-3.08
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Irregular, Conchoidal
Cleavage
1,2 prismatic.
None
Mohs Hardness
5-66.5
2
10
👆🏻
Chemical Composition
(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
Ca 3Al 2(SiO 4) 3-x(OH) 4x (x=0.2 to 1.5)Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous
Vitreous
Pleochroism
Common trichroism: light green
-
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
Semitransparent
Refractive Index
1.668-1.703-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: I a3d
Birefringence
0.024-0.030-9999
0
0.296
👆🏻
Clarity
-
TranslucentAnthony et al
Physical
Neurological
-
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Renewal
Empathy
Healing
Physical healing
Emotional healing
Qualities Associated
Love
Emotional Healing