Origin
Russia
Southern and central Africa
Color
Black, Violet, Blue, Green
Brownish, Red, orange
Streak
-
White
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
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.22-3.404.00-4.03
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
1,2 prismatic.
Distinct
Mohs Hardness
5-67.5-8
2
10
👆🏻
Chemical Composition
(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
CaZrBAl 9O 18Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
-
Pleochroism
Common trichroism: light green
Strong dichroism: yellow-brown red to brown-violet (pinkish samples: nearly colorless pale orangy-pink)Herve Nicolas Lazzarelli
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.668-1.7031.787-1.816
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
-
Birefringence
0.024-0.0300.029
0
0.296
👆🏻
Clarity
-
-
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Renewal
-
Healing
Physical healing
Physical healing
Qualities Associated
Love
Transformation