Origin
Russia
Southern and central Africa
Color
Black, Violet, Blue, Green
Blue, Brown, Colorless, Yellow
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
3.22-3.402.72
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
1,2 prismatic.
{110} Perfect, {010} Perfect
Mohs Hardness
5-65-6
2
10
👆🏻
Chemical Composition
(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Vitreous
Pleochroism
Common trichroism: light green
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
TransparentUlrich Henn and Claudio C. Milisenda
Refractive Index
1.668-1.7031.590-1.629
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: B2/b (pseudo-HEX)
Birefringence
0.024-0.0300.039
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Renewal
Harmony
Healing
Physical healing
Emotional healing
Qualities Associated
Love
Harmony