1 Astrology
1.2 Origin
USA, Brazyl, Switzerland, Tanzania, Madagascar, Russia, Sri Lanka
Not Available
1.5 Color
Colorless, Yellow, pink, Red
Blue, White, Grey, Yellow, Green, Colorless, Red, gray
1.9 Streak
1.5 For which Rashi?
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1.7 Planet
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1.10 Element of Planets
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1.15 Energy
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1.19 How to Wear?
1.19.1 Finger
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1.22.2 Ring Metal
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1.24 Deities
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1.26 Not to wear with
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1.27 Powers
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3.4 Birthstone
3.4.1 Planetary
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3.8.1 Talisman
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4 Physical Properties
4.1 Tenacity
4.4 Solubility
Not Available
Gelatinises in acids
5.2 Durability
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5.4 Specific Gravity
5.13 Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle
Uneven, Conchoidal, Brittle
5.14 Cleavage
Distinct on {11 2 0}, imperfect on {10 1 1}
Distinct on {110}
5.16 Mohs Hardness
7.2 Chemical Composition
Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2
8 Optical Properties
8.1 Luster
Vitreous
Vitreous, Greasy
8.4 Pleochroism
Distinct: colorless orangy-yellowHerve Nicolas Lazzarelli
None
9.3 Dispersion
9.11 Transparency
Gemmological Tables (2004) More from other references
Not Available
9.12 Refractive Index
9.19 Optic Character
Not Available
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9.20 Crystal System
9.22 Birefringence
0.016Not Available
0
0.296
12.4 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Not Available
13 Benefits
13.1 Physical
13.1.1 Neurological
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13.2.1 Cardiovascular
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13.3.1 Respiratory
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13.3.2 Reproductive
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13.3.3 Digestive
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13.4 Psychology
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13.5 Healing
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13.6 Qualities Associated
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