1 Astrology
1.1 Origin
Madagascar, Southern and central Africa
USA, Southern and central Africa
1.2 Color
White, Yellow, Blue, Green, Green, gray, Yellow
Brown, Green, White, gray, Blue, Yellow
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
2.55-2.634.00-4.65
1
7.18
2.5 Fracture
Uneven, Uneven, Gems
Uneven, Sub-Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic
2.6 Cleavage
{001} Perfect, {010} Good
Perfect on [1011]
2.7 Mohs Hardness
2.8 Chemical Composition
KAlSi 3O 8Arthur Thomas , Gemstones (2009)
ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
Vitreous
Vitreous, Pearly
3.2 Pleochroism
WeakMichael OâDonoghue
AbsentWalter Schumann
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.514-1.5391.620-1.850
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
0.008-0.0100.223-0.227
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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