1 Astrology
1.1 Origin
Guatemala, Russia, Columbia, Canada, Italy
Southern and central Africa
1.2 Color
White, Red, Brown, Green, gray
Violet, Blue, Yellow, Brown, White, Colorless
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
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2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Splintery, UnevenArthur Thomas, Difficult, Fibrous
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
2.6 Cleavage
2.7 Mohs Hardness
2.8 Chemical Composition
NaAlSi 2O 6Ulrich Henn and Claudio C.
Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)
3 Optical Properties
3.1 Luster
Pearly
Vitreous, Resinous
3.2 Pleochroism
NilArthur Thomas
Weak to strong if coloreD
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.652-1.6881.631-1.650
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
0.013-0.020Not Available
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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