Origin
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Southern and central Africa
Color
Blue, Violet, Greenish, Brown, Colorless, Yellow, gray
White, Colorless, Blue, Red, Green, Yellow, Violet
Streak
White
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For which Rashi?
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Planet
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Element of Planets
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Energy
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How to Wear?
Finger
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Ring Metal
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Deities
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Not to wear with
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Powers
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Birthstone
Planetary
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Talisman
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Tenacity
Brittle
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Solubility
-
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Durability
-
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Specific Gravity
2.57-2.662.55-2.70
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
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Cleavage
Fair on {100}, poor on {001} and {010}
None
Mohs Hardness
7-7.56.5-7
2
10
👆🏻
Chemical Composition
Mg2Al4Si5O18
SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)