1 Astrology
1.2 Origin
1.5 Color
Colorless, White, pink
White, Colorless, Blue, Red, Green, Yellow, Violet, pink
1.7 Streak
1.10 For which Rashi?
Not Available
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1.13 Planet
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1.16 Element of Planets
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1.20 Energy
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1.23 How to Wear?
1.23.2 Finger
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1.24.3 Ring Metal
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1.26 Deities
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1.29 Not to wear with
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1.32 Powers
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1.35 Birthstone
1.35.1 Planetary
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1.36.2 Talisman
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3 Physical Properties
3.1 Tenacity
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4.3 Solubility
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4.6 Durability
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4.9 Specific Gravity
4.17 Fracture
Uneven
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
4.18 Cleavage
{110} Good
Imperfect; basal
4.19 Mohs Hardness
6.4 Chemical Composition
MgB 3O 3(OH) 5 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
7 Optical Properties
7.1 Luster
Vitreous, Pearly, Greasy
Vitreous
7.2 Pleochroism
Not Available
Moderate dichroic
7.3 Dispersion
7.8 Transparency
Gemmological Tables (2004)
Transparent
7.9 Refractive Index
1.488-1.5051.598-1.620
1
3.25
7.16 Optic Character
7.17 Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Hexagonal
7.18 Birefringence
9.8 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
10 Benefits
10.1 Physical
10.1.1 Neurological
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10.1.2 Cardiovascular
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10.1.3 Respiratory
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10.1.4 Reproductive
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10.1.5 Digestive
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10.2 Psychology
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10.3 Healing
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10.4 Qualities Associated
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