Origin
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Mexico
Color
Blue, Violet, Greenish, Brown, Colorless, Yellow, gray
Yellow, Brownish, Reddish, White, Colorless, Blue, Green, Violet, pink
Streak
White
White, Green
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
2.57-2.664.32-4.48
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Uneven, Subconchoidal, Conchoidal
Cleavage
Fair on {100}, poor on {001} and {010}
{101}, good; {010}, poor
Mohs Hardness
7-7.53.5
2
10
👆🏻
Chemical Composition
Mg2Al4Si5O18
Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)