1 Astrology
1.1 Origin
Southern and central Africa
Madagascar, Southern and central Africa
1.2 Color
Colorless, Green, Yellow, White, Colorless, Green, Yellow, White
White, Yellow, Blue, Green, Green, gray, Yellow
1.3 Streak
1.4 For which Rashi?
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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
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2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
3.23-3.262.55-2.63
1
7.18
2.5 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Uneven, Uneven, Gems
2.6 Cleavage
Perfect on {010} imperfect on {100}
{001} Perfect, {010} Good
2.7 Mohs Hardness
2.8 Chemical Composition
Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
KAlSi 3O 8Arthur Thomas , Gemstones (2009)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
colorless.
WeakMichael OâDonoghue
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.635-1.6711.514-1.539
1
3.25
3.6 Optic Character
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3.7 Crystal System
Orthorhombic
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: C1
3.8 Birefringence
0.033-0.0420.008-0.010
0
0.296
3.9 Clarity
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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