1 Astrology
1.1 Origin
Southern and central Africa
Southern and central Africa, Zimbabwe, South Africa
1.2 Color
Greenish, Blue, Colorless, Green, Yellow
Green, Blue, Green, Blue, Green
1.3 Streak
Greenish, gray
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
2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
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2.6 Cleavage
(0001) indistinct
Perfect on {010}
2.7 Mohs Hardness
2.8 Chemical Composition
SiCArthur Thomas , Gemstones (2009)
(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
NilArthur Thomas
X: very light bluish green; Y and Z: brilliant bluish green
3.3 Dispersion
3.4 Transparency
Gemmological Tables (2004) More from other references
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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
TransparentUlrich Henn and Claudio C. Milisenda
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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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