1 Astrology
1.1 Origin
China, Burma, Pakistan, USA, Southern and central Africa, Brazil
the type locality
1.2 Color
1.3 Streak
1.4 For which Rashi?
Libra, Taurus, Leo, Virgo, Libra, Taurus, Leo, Virgo, Libra, Taurus, Leo, Virgo
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1.5 Planet
1.6 Element of Planets
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
1.9 Deities
1.10 Not to wear with
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1.11 Powers
Protection, Wealth
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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
1.54-1.553.80-4.15
1
7.18
2.5 Fracture
Conchoidal
Uneven, UnevenArthur Thomas, Gemstones (2009)
2.6 Cleavage
Poor
perfect along [010] and [100]
2.7 Mohs Hardness
2.8 Chemical Composition
(Mg,Fe)2SiO4
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Weak: yellow-green green (colorless)Herve Nicolas Lazzarelli
X = very pale blue; Y = pale blue; Z = deep blue
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.64-1.691.752-1.815
1
3.25
3.6 Optic Character
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3.7 Crystal System
Orthorhombic
Orthorhombic
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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