1 Astrology
1.1 Origin
Southern and central Africa
USA, Brazyl, Switzerland, Tanzania, Madagascar, Russia, Sri Lanka
1.2 Color
Not Available
Colorless, Yellow, pink, Red
1.3 Streak
1.4 For which Rashi?
Not Available
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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
2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Not Available
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle
2.6 Cleavage
Not Available
Distinct on {11 2 0}, imperfect on {10 1 1}
2.7 Mohs Hardness
2.8 Chemical Composition
Not Available
Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
3.2 Pleochroism
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Distinct: colorless orangy-yellowHerve Nicolas Lazzarelli
3.3 Dispersion
3.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
3.5 Refractive Index
1.57-1.631.650-1.695
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
Not Available0.016
0
0.296
3.9 Clarity
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TransparentUlrich Henn and Claudio C. Milisenda
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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