Origin
Russia
Brazil, Southern and central Africa, Madagascar, Widespread; best stones come from Brazil.
Color
Black, Violet, Blue, Green
Yellow
Streak
-
-
For which Rashi?
Gemini, Virgo
Scorpio
Planet
Mercury
Jupiter
Element of Planets
Earth
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Persephone, Mercury
Not to wear with
-
-
Powers
-
Protection, Psychic Power
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.22-3.402.65
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
1,2 prismatic.
Indiscernible
Mohs Hardness
5-67
2
10
👆🏻
Chemical Composition
(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
SiO2
Luster
Vitreous
Vitreous
Pleochroism
Common trichroism: light green
Natural: weak; yellow light yellow.
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.668-1.7031.544-1.553
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Trigonal
Birefringence
0.024-0.0300.009
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
-
Enhances creativity and mental clarity
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Renewal
Creativity
Healing
Physical healing
Emotional healing
Qualities Associated
Love
Abundance