1 Astrology
1.1 Origin
1.2 Color
Colorless, White, Yellow, White, Greenish, gray, Brown, Colorless, Yellow
Red, Colorless, Yellow, White
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
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1.6 Element of Planets
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1.7 How to Wear?
1.7.1 Finger
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1.7.2 Ring Metal
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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
Very brittle
Not Available
2.2 Solubility
2.3 Durability
Not Available
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2.4 Specific Gravity
3.30-3.403.34-3.44
1
7.18
2.5 Fracture
Conchoidal, Brittle, Conchoidal
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
2.6 Cleavage
{010} perfect, {110} distinct, {100} in traces
{111} Indistinct, {111} Indistinct, {111} Indistinct
2.7 Mohs Hardness
1.13 Chemical Composition
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
(K,Cs)Al 4Be 4(B,Be) 12O 28Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
2 Optical Properties
2.1 Luster
2.2 Pleochroism
2.3 Dispersion
2.4 Transparency
Transparent
Gemmological Tables (2004) More from other references
2.5 Refractive Index
1.702-1.7501.684-1.694
1
3.25
2.6 Optic Character
Not Available
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2.7 Crystal System
Orthorhombic
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2.8 Birefringence
0.048Not Available
0
0.296
2.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
3 Benefits
3.1 Physical
3.1.1 Neurological
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3.1.2 Cardiovascular
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3.1.3 Respiratory
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3.1.4 Reproductive
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3.1.5 Digestive
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3.2 Psychology
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3.3 Healing
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3.4 Qualities Associated
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