Origin
Russia
Mexico
Color
Black, Violet, Blue, Green
Blue, Black
Streak
-
Grey, Black, gray
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
-
Flexible
Solubility
-
-
Durability
-
-
Specific Gravity
3.22-3.404.6-4.76
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
1,2 prismatic.
Perfect on {0001}
Mohs Hardness
5-6-9999
2
10
👆🏻
Chemical Composition
(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Luster
Vitreous
Resinous
Pleochroism
Common trichroism: light green
Marked
Dispersion
0.020.08
0.005
1
👆🏻
Transparency
-
OpaqueAnthony et al
Refractive Index
1.668-1.7031.45-2.62
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Hexagonal
Birefringence
0.024-0.030-9999
0
0.296
👆🏻
Clarity
-
OpaqueAnthony et al
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Renewal
Transformation
Healing
Physical healing
Emotional healing
Qualities Associated
Love
Manifestation