Origin
Russia
Switzerland
Color
Black, Violet, Blue, Green
Brown, Brownish, Yellow, Black, Reddish
Streak
-
White, 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
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.22-3.403.7-3.8
1
7.18
👆🏻
Fracture
Conchoidal
Subconchoidal, Conchoidal
Cleavage
1,2 prismatic.
Distinct on {010}
Mohs Hardness
5-67-7.5
2
10
👆🏻
Chemical Composition
(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
Luster
Vitreous
Resinous
Pleochroism
Common trichroism: light green
X = colorless; Y = pale yellow; Z = golden yellow
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.668-1.7031.736-1.762
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
monoclinic
Birefringence
0.024-0.0300.009-0.015
0
0.296
👆🏻
Clarity
-
-
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Renewal
Protection
Healing
Physical healing
Physical healing
Qualities Associated
Love
Protection