1 Astrology
1.1 Origin
Australia
Madagascar, Southern and central Africa
1.2 Color
Brown, Brown, Reddish, Brownish, Yellow, Brown, Reddish, Brownish, Yellow
Grey, Brownish, Blue, Colorless, White, gray, Reddish
1.3 Streak
Brown, Brownish, Yellow
White
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
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2.2 Solubility
HCl soluble
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2.3 Durability
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2.4 Specific Gravity
4.27-4.292.54-2.61
1
7.18
2.5 Fracture
Uneven, torn surfaces, (e.g. fractured metals)., Uneven, Gemstones (2009), torn surfaces, (e.g. fractured metals).
Uneven, Uneven, Gems, Sixth Edition (2006)
2.6 Cleavage
Perfect {010}
{001} Perfect, {010} Good
2.7 Mohs Hardness
2.8 Chemical Composition
FeO(OH)Arthur Thomas , Gemstones (2009)
KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
VisibleArthur Thomas
WeakMichael OâDonoghue
3.3 Dispersion
3.4 Transparency
Gemstones (2009)
Transparent
3.5 Refractive Index
2.26-2.3981.518-1.536
1
3.25
3.6 Optic Character
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3.7 Crystal System
Orthorhombic
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3.8 Birefringence
3.9 Clarity
Gemstones (2009)
Transparent
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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