Origin
Russia
Canada, Russia, Kenya, Brazil, Norway
Color
Black, Violet, Blue, Green
Green, Greenish, Black, Reddish, Brown
Streak
-
Yellow, Yellowish-grey, gray
For which Rashi?
Gemini, Virgo
Pisces
Planet
Mercury
-
Element of Planets
Earth
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
Healing
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.22-3.403.50-3.60
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
1,2 prismatic.
Good on {110}, (110) ^ (1 1 0) ≈87°; parting on {100}
Mohs Hardness
5-66
2
10
👆🏻
Chemical Composition
(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
(Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.
Luster
Vitreous
Vitreous, Resinous
Pleochroism
Common trichroism: light green
Emerald green
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.668-1.7031.720-1.778
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
monoclinic
Birefringence
0.024-0.0300.037-0.061
0
0.296
👆🏻
Clarity
-
-
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Supports heart health
Reproductive
-
Supports heart health
Digestive
-
Supports heart health
Psychology
Renewal
Protection
Healing
Physical healing
Physical healing
Qualities Associated
Love
Protection