1 Astrology
1.1 Origin
Brazil, Southern and central Africa, Sri Lanka
Southern and central Africa, Zimbabwe, South Africa
1.2 Color
Red, gray
Green, Blue, Green, Blue, Green
1.3 Streak
Red, Black
Greenish, White, Greenish, White, Greenish, White
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
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Gaia, Goddess, The All
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
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2.2 Solubility
Insoluble in acids
Decomposed by acids
2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Uneven, ConchoidalArthur Thomas, Gemstones (2009)
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2.6 Cleavage
{110} good, 100 moderate, parting on {092} and {011}
Perfect on {010}
2.7 Mohs Hardness
2.8 Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Weak to distinct brownish red-green-yellow
X: very light bluish green; Y and Z: brilliant bluish green
3.3 Dispersion
3.4 Transparency
Transparent, Translucent
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3.5 Refractive Index
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
3.9 Clarity
Transparent
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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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