Origin
Brazil
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Color
White, Blue, Yellow, Brown, Green, Brownish, Greenish, gray
Blue, Violet, Greenish, Brown, Colorless, Yellow, gray
Streak
White
White
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
Solubility
-
-
Durability
-
-
Specific Gravity
2.65-2.902.57-2.66
1
7.18
👆🏻
Fracture
-
Subconchoidal, Conchoidal
Cleavage
{001} Perfect
Fair on {100}, poor on {001} and {010}
Mohs Hardness
-99997-7.5
2
10
👆🏻
Chemical Composition
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Mg2Al4Si5O18