1 Astrology
1.1 Origin
Afghanistan
Austria, Spain, Russia, Canada, Australia
1.2 Color
White, Colorless, Blue, Red, Green, Yellow, Violet, pink
Colorless, Brownish, Yellow, Green, gray, White
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
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1.6 Element of Planets
Not Available
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1.7 How to Wear?
1.7.1 Finger
Not Available
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1.7.2 Ring Metal
Not Available
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1.8 Energy
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1.9 Deities
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1.10 Not to wear with
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1.11 Powers
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1.12 Birthstone
1.12.1 Planetary
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1.12.2 Talisman
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2 Physical Properties
2.1 Tenacity
2.2 Solubility
Not Available
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2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Conchoidal, Brittle
2.6 Cleavage
Imperfect; basal
{001} perfect; {111} imperfect, may exhibit parting on , {011}
2.7 Mohs Hardness
2.8 Chemical Composition
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Moderate dichroic
Not Available
3.3 Dispersion
3.4 Transparency
Transparent
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
3.5 Refractive Index
1.598-1.6201.735-1.738
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
0.008-0.011Not Available
0
0.296
3.9 Clarity
Transparent
TransparentWalter Schumann
4 Benefits
4.1 Physical
4.1.1 Neurological
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4.1.2 Cardiovascular
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4.1.3 Respiratory
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4.1.4 Reproductive
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4.1.5 Digestive
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4.2 Psychology
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4.3 Healing
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4.4 Qualities Associated
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