1 Astrology
1.1 Origin
1.2 Color
Green, Green, gray, Brown, Black
Yellow, yellowish orange
1.3 Streak
Greenish, White, Greenish, White
White
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
2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
2.58-2.803.98-4.04
1
7.18
2.5 Fracture
Conchoidal, Brittle, Metallic, Conchoidal, Handbook of mineralogy (2001)
Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle
2.6 Cleavage
{001} Good
Imperfect, poor one {100}
2.7 Mohs Hardness
2.8 Chemical Composition
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
Waxy, Silky, Resinous, Greasy
Vitreous
3.2 Pleochroism
pale greenish yellow.
Colorless
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.530-1.5751.702-1.740
1
3.25
3.6 Optic Character
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3.7 Crystal System
Monoclinic Domatic H-M Symbol (m) Space Group: Cm
monoclinic
3.8 Birefringence
Not Available0.060
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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