Origin
Russia
Southern and central Africa
Color
Black, Violet, Blue, Green
Blue, Violet, Brown, White, Greenish, pink
Streak
-
White
For which Rashi?
Gemini, Virgo
Leo, Sagittarius
Planet
Mercury
Saturn
Element of Planets
Earth
Water
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Isis
Not to wear with
-
-
Powers
-
Healing
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.22-3.403.26-3.41
1
7.18
👆🏻
Fracture
Conchoidal
Fibrous, ConchoidalWalter Schumann
Cleavage
1,2 prismatic.
Distinct on {100}, poor on {110}; parting on {001}
Mohs Hardness
5-67-8.5
2
10
👆🏻
Chemical Composition
(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
AlAl6O3BSi3O18
Luster
Vitreous
Vitreous
Pleochroism
Common trichroism: light green
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
Translucent, Translucent to opaque
Refractive Index
1.668-1.7031.669-1.723
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Orthorhombic
Birefringence
0.024-0.0300.011-0.037
0
0.296
👆🏻
Clarity
-
Translucent
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Renewal
Patience
Healing
Physical healing
Emotional healing
Qualities Associated
Love
Patience