Origin
Russia
USA, Zambia, Madagascar, India, Sri Lanka, Russia, Australia, Widespread; main sources are Brazil, Uruguay, Bolivia, Argentina, East Africa, Namibia, Brazil
Color
Black, Violet, Blue, Green
Violet, White, Colorless, Blue, Red, Green, Yellow, pink
Streak
-
White
For which Rashi?
Gemini, Virgo
Pisces, Scorpio, Sagittarius
Planet
Mercury
-
Element of Planets
Earth
Water
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Diana
Not to wear with
-
-
Powers
-
Love, Courage
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
insoluble in common solvents
Durability
-
-
Specific Gravity
3.22-3.402.65
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, ConchoidalWalter Schumann
Cleavage
1,2 prismatic.
Indiscernible
Mohs Hardness
5-67
2
10
👆🏻
Chemical Composition
(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
SiO2