1 Astrology
1.1 Origin
Southern and central Africa
Mexico, USA, Southern and central Africa
1.2 Color
Green, Grey, Green, White
Greenish, Colorless, White, Brown, Colorless, Yellow, White, Green
1.3 Streak
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
2.60-3.022.90-3.00
1
7.18
2.5 Fracture
Uneven
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic
2.6 Cleavage
2.7 Mohs Hardness
2.8 Chemical Composition
(Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)
CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Distinct: light yellow-green to light bluE
NilArthur Thomas
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.571-1.5971.621-1.675
1
3.25
3.6 Optic Character
3.7 Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m
monoclinic
3.8 Birefringence
Not Available0.044
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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