Origin
Canada, Southern and central Africa, Italy, Australia, India
Austria, Brazil, Canada, India, Madagascar, Russia, Sri Lanka, USA
Color
Violet, Brownish, Yellow, Reddish, Pale pink
Red, Brown, Brownish, Black
Streak
White
White
For which Rashi?
Virgo
-
Planet
Mercury, Jupiter
-
Element of Planets
Water
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.69-2.793.95-4.30
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
Poor on {0001}
none
Mohs Hardness
5.5-6.57-7.5
2
10
👆🏻
Chemical Composition
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)