Origin
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Brazil
Color
Blue, Violet, Greenish, Brown, Colorless, Yellow, gray
White, Blue, Yellow, Brown, Green, Brownish, Greenish, 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
2.57-2.662.65-2.90
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
-
Cleavage
Fair on {100}, poor on {001} and {010}
{001} Perfect
Mohs Hardness
7-7.5-9999
2
10
👆🏻
Chemical Composition
Mg2Al4Si5O18
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references