Origin
USA, Mexico, Tanzania, Brazil, Pakistan, Afghanistan, Origins: USA
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Color
Green, Reddish, Brown, Yellow, Colorless, Blue, Violet, Grey
Colorless, Yellow, Brown, Green, Red, Reddish
Streak
White
White, Yellow, Colorless
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
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Brittle
Solubility
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Durability
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Specific Gravity
3.26-3.363.0-3.1
1
7.18
👆🏻
Fracture
Conchoidal
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Cleavage
Good on {100}
Perfect on {001}
Mohs Hardness
6.5-73.5
2
10
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Chemical Composition
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Ca(Mg,Al)3(Al3Si)O10(OH)2