1 Astrology
1.1 Origin
Canada, Columbia, Brazil, Burma, Russia, blue
Southern and central Africa
1.2 Color
Blue, White, pink, gray, Green
Green, Grey, Green, White
1.3 Streak
1.4 For which Rashi?
Sagittarius
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1.5 Planet
1.6 Element of Planets
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
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
2.3 Durability
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2.4 Specific Gravity
2.15-2.402.60-3.02
1
7.18
2.5 Fracture
Conchoidal, Uneven, UnevenArthur Thomas, Brittle
Uneven
2.6 Cleavage
Poor on {110}
{001} Perfect
2.7 Mohs Hardness
2.8 Chemical Composition
Na8Al6Si6O24Cl2
(Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
AbsentWalter Schumann
Distinct: light yellow-green to light bluE
3.3 Dispersion
3.4 Transparency
Transparent, Translucent, Opaque
Transparent
3.5 Refractive Index
1.478-1.4881.571-1.597
1
3.25
3.6 Optic Character
3.7 Crystal System
cubic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m
3.8 Birefringence
Not AvailableNot 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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