2 Astrology
2.2 Origin
Southern and central Africa, Vietnam
Canada, USA, Southern and central Africa
2.3 Color
Green, Black, Brown
Green
2.5 Streak
2.7 For which Rashi?
Not Available
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2.9 Planet
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2.11 Element of Planets
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2.13 How to Wear?
2.14.0 Finger
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2.14.2 Ring Metal
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2.15 Energy
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2.17 Deities
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2.19 Not to wear with
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2.21 Powers
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2.23 Birthstone
2.23.1 Planetary
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2.24.2 Talisman
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3 Physical Properties
4.1 Tenacity
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4.3 Solubility
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4.5 Durability
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4.7 Specific Gravity
3.04-3.263.25-3.50
1
7.18
4.9 Fracture
Splintery, Brittle, Uneven
Uneven, Uneven, Gemstones of the world (2001) More from other references
4.10 Cleavage
{110} perfect
Not Available
4.11 Mohs Hardness
4.15 Chemical Composition
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.
5 Optical Properties
5.1 Luster
5.2 Pleochroism
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5.3 Dispersion
6.4 Transparency
6.5 Refractive Index
1.613-1.6631.700-1.725
1
3.25
6.8 Optic Character
6.9 Crystal System
6.10 Birefringence
6.14 Clarity
7 Benefits
7.1 Physical
7.1.1 Neurological
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7.1.2 Cardiovascular
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7.1.3 Respiratory
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7.1.4 Reproductive
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7.1.5 Digestive
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7.2 Psychology
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7.3 Healing
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7.4 Qualities Associated
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