Origin
Turkey
Canada, USA, Italy, Russia, Switzerland, Tanzania, Kenya, Sri Lanka
Color
Colorless, White, Yellow, Greenish, gray, Brown
Green, Yellow, Brown, Violet, Blue
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
Very brittle
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Solubility
insoluble
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Durability
-
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Specific Gravity
3.30-3.40-9999
1
7.18
👆🏻
Fracture
Conchoidal
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Cleavage
{010} perfect, {110} distinct, {100} in traces
Indiscernible
Mohs Hardness
6.5-7-9999
2
10
👆🏻
Chemical Composition
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Ca10(Mg,Fe)2(Si2O7)2(SiO4)2O(OH)2