1 Astrology
1.1 Origin
Southern and central Africa, Vietnam
Czech, Mexico, Australia
1.2 Color
Green, Black, Brown
Red, Colorless, Violet, Red, pink
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
2.5 Fracture
Splintery, Brittle, Uneven
Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).
2.6 Cleavage
{110} perfect
Perfect on {010}; poor on {100} and { 1 02}.
2.7 Mohs Hardness
2.8 Chemical Composition
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Co3(AsO4)2•8(H2O)
3 Optical Properties
3.1 Luster
Vitreous
Subadamantine, Pearly
3.2 Pleochroism
Not Available
Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red
3.3 Dispersion
3.4 Transparency
Transparent
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3.5 Refractive Index
1.613-1.6631.626-1.629
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
0.020Not Available
0
0.296
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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