Origin
-
Russia
Color
Brownish, Black
Black, Violet, Blue, Green
Streak
Brown
-
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
3.263.22-3.40
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
None
1,2 prismatic.
Mohs Hardness
-99995-6
2
10
👆🏻
Chemical Composition
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
Luster
Resinous
Vitreous
Pleochroism
Strong: yellow-brown
Common trichroism: light green
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Translucent
-
Refractive Index
-99991.668-1.703
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
monoclinic
Birefringence
-99990.024-0.030
0
0.296
👆🏻
Clarity
Translucent
-
Physical
Neurological
-
-
Cardiovascular
-
Supports heart health
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
-
Renewal
Healing
-
Physical healing
Qualities Associated
Protection
Love