Origin
Tanzania, Madagascar, Kenya, Sri Lanka, Burma, Australia
Australia, Austria, Brazil, Canada, Ethiopia, Italy, Mexico, Mozambique, Southern and central Africa, Switzerland
Color
Green, Brown, Colorless, Greenish, Yellow
Colorless, Brownish, White
Streak
White
White
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
Solubility
-
Soluble
Durability
-
-
Specific Gravity
3.25-3.452.20-2.23
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Irregular/uneven, Uneven
Cleavage
Good on {110}
Perfect on {110} and {1 1 0}
Mohs Hardness
6.55-5.5
2
10
👆🏻
Chemical Composition
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.