Origin
Madagascar, Southern and central Africa
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Color
Grey, Brownish, Blue, Colorless, White, gray, Reddish
Blue, Violet, Greenish, Brown, Colorless, Yellow, gray
Streak
White
White
For which Rashi?
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Planet
-
-
Element of Planets
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-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
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Not to wear with
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Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
2.54-2.612.57-2.66
1
7.18
👆🏻
Fracture
Uneven
Subconchoidal, Conchoidal
Cleavage
{001} Perfect, {010} Good
Fair on {100}, poor on {001} and {010}
Mohs Hardness
67-7.5
2
10
👆🏻
Chemical Composition
KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Mg2Al4Si5O18