Origin
Russia
Brazil, Kenya, Madagascar, Southern and central Africa
Color
Black, Violet, Blue, Green
Brown, Black
Streak
-
White
For which Rashi?
Gemini, Virgo
Capricorn, Sagittarius
Planet
Mercury
Saturn
Element of Planets
Earth
Earth
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Nerthus
Not to wear with
-
-
Powers
-
Protection
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.22-3.402.65
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, ConchoidalWalter Schumann
Cleavage
1,2 prismatic.
{0110} Indistinct
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
None
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
Transparent, Translucent, Transparent to translucent
Refractive Index
1.668-1.7031.544-1.553
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Hexagonal
Birefringence
0.024-0.0300.009
0
0.296
👆🏻
Clarity
-
Opaque
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Renewal
Grounding
Healing
Physical healing
Physical healing
Qualities Associated
Love
Grounding