1 Astrology
1.1 Origin
Southern and central Africa, Zimbabwe, South Africa
Southern and central Africa
1.2 Color
Green, Blue, Green, Blue, Green
Black, Reddish, gray
1.3 Streak
Greenish, White, Greenish, White, Greenish, White
Black, Red
1.4 For which Rashi?
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
Gaia, Goddess, The All
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1.10 Not to wear with
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1.11 Powers
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
Decomposed by acids
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2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
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Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
2.6 Cleavage
Perfect on {010}
Distinct on {10 1 1}
2.7 Mohs Hardness
2.8 Chemical Composition
(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
3.2 Pleochroism
X: very light bluish green; Y and Z: brilliant bluish green
Moderate; cochineal-red to blood-red
3.3 Dispersion
3.4 Transparency
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OpaqueUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) Rarely transparentMore from other references
3.5 Refractive Index
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
3.9 Clarity
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OpaqueUlrich Henn and Claudio C. Milisenda
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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