1 Astrology
1.1 Origin
Madagascar, Southern and central Africa
Australia, Southern and central Africa
1.2 Color
White, Yellow, Blue, Green, Green, gray, Yellow
Violet, pink
1.3 Streak
White
White, Violet, Blue
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
2.55-2.632.11-2.20
1
7.18
2.5 Fracture
Uneven, Uneven, Gems
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven
2.6 Cleavage
{001} Perfect, {010} Good
Perfect on {0001}
2.7 Mohs Hardness
2.8 Chemical Composition
KAlSi 3O 8Arthur Thomas , Gemstones (2009)
Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
3.2 Pleochroism
WeakMichael OâDonoghue
Weak
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.514-1.5391.516-1.544
1
3.25
3.6 Optic Character
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3.7 Crystal System
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: C1
Trigonal
3.8 Birefringence
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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