1 Astrology
1.1 Origin
Southern and central Africa
Australia
1.2 Color
Violet, Blue, Yellow, Brown, White, Colorless
Brown, Brown, Reddish, Brownish, Yellow, Brown, Reddish, Brownish, Yellow
1.3 Streak
White
Brown, Brownish, Yellow
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
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HCl soluble
2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
Uneven, torn surfaces, (e.g. fractured metals)., Uneven, Gemstones (2009), torn surfaces, (e.g. fractured metals).
2.6 Cleavage
2.7 Mohs Hardness
2.8 Chemical Composition
Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)
FeO(OH)Arthur Thomas , Gemstones (2009)
3 Optical Properties
3.1 Luster
Vitreous, Resinous
Adamantine
3.2 Pleochroism
Weak to strong if coloreD
VisibleArthur Thomas
3.3 Dispersion
3.4 Transparency
Transparent
Gemstones (2009)
3.5 Refractive Index
1.631-1.6502.26-2.398
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
Not Available0.138
0
0.296
3.9 Clarity
Transparent
Gemstones (2009)
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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