Origin
Tanzania, Madagascar, Kenya, Sri Lanka, Burma, Australia
Southern and central Africa, Burma, Tanzania, India, Sri Lanka
Color
Green, Brown, Colorless, Greenish, Yellow
Yellow, White, Green, Brown, Greenish, gray
Streak
White
Grey, gray
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
-
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
Solubility
-
-
Durability
-
-
Specific Gravity
3.25-3.453.20-3.25
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Uneven, Conchoidal
Cleavage
Good on {110}
Good/distinct on [210]
Mohs Hardness
6.55.5
2
10
👆🏻
Chemical Composition
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Mg 2Si 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references