1 Astrology
1.1 Origin
Sri Lanka
Southern and central Africa
1.2 Color
Yellow
Violet, Brownish, Black, pink, Red, Reddish
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
Not Available
1.6 Element of Planets
Not Available
Not Available
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
Not Available
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1.9 Deities
Not Available
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1.10 Not to wear with
Not Available
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1.11 Powers
Not Available
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1.12 Birthstone
1.12.1 Planetary
Not Available
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1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
Not Available
Not Available
2.2 Solubility
Not Available
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2.3 Durability
Not Available
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2.4 Specific Gravity
2.5 Fracture
Not Available
Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle
2.6 Cleavage
Not Available
[100] [001] perfect
2.7 Mohs Hardness
2.8 Chemical Composition
BeAl 2O 4Arthur Thomas , Gemstones (2009)
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
3 Optical Properties
3.1 Luster
Not Available
Not Available
3.2 Pleochroism
Not Available
StrongArthur Thomas
3.3 Dispersion
3.4 Transparency
Transparent
TranslucentWalter Schumann, Gemstones of the world (2001) More from other references
3.5 Refractive Index
1.739-1.7701.85-1.92
1
3.25
3.6 Optic Character
3.7 Crystal System
Not Available
Orthorhombic
3.8 Birefringence
3.9 Clarity
Transparent
TranslucentWalter Schumann
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
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4.1.2 Cardiovascular
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4.1.3 Respiratory
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4.1.4 Reproductive
Not Available
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4.1.5 Digestive
Not Available
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4.2 Psychology
Not Available
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4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
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