1 Astrology
1.1 Origin
Australia, Austria, Brazil, Canada, Ethiopia, Italy, Mexico, Mozambique, Southern and central Africa, Switzerland
Southern and central Africa, Vietnam
1.2 Color
Colorless, Brownish, White
Green, Black, Brown
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
2.3 Durability
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2.4 Specific Gravity
2.20-2.233.04-3.26
1
7.18
2.5 Fracture
Irregular/uneven, UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Uneven
Splintery, Brittle, Uneven
2.6 Cleavage
Perfect on {110} and {1 1 0}
{110} perfect
2.7 Mohs Hardness
2.8 Chemical Composition
CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
3 Optical Properties
3.1 Luster
Vitreous, Silky, Fibrous
Vitreous
3.2 Pleochroism
X: colourless Y: colourless Z: colourless
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3.3 Dispersion
3.4 Transparency
Transparent, Translucent
Transparent
3.5 Refractive Index
1.512-1.5231.613-1.663
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
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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