1 Astrology
1.1 Origin
Southern and central Africa
Canada, Southern and central Africa
1.2 Color
Violet, Blue, Yellow, Brown, White, Colorless
Colorless, White, gray, pink, Green
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
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
Uneven, Gemstones (2009), Splintery
2.6 Cleavage
Indistinct
Perfect on {100} and {001}
2.7 Mohs Hardness
2.8 Chemical Composition
Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)
Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Weak to strong if coloreD
NilArthur Thomas
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.631-1.6501.595-1.645
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
Not Available0.028-0.038
0
0.296
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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