1 Astrology
1.1 Origin
Not Available
Canada, Columbia, Brazil, Burma, Russia, blue
1.2 Color
Green, Yellow, Brown, White, Colorless, Blue, Brownish, Black
Blue, White, pink, gray, Green
1.3 Streak
1.4 For which Rashi?
Not Available
Sagittarius
1.5 Planet
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
1.9 Deities
Not Available
Not Available
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
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1.12 Birthstone
1.12.1 Planetary
Not Available
Not Available
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
2.2 Solubility
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.5 Fracture
Uneven, Subconchoidal, UnevenArthur Thomas, Fibrous
Conchoidal, Uneven, UnevenArthur Thomas, Brittle
2.6 Cleavage
[110] perfect, [101] good, [010] distinct
Poor on {110}
2.7 Mohs Hardness
2.8 Chemical Composition
Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Na8Al6Si6O24Cl2
3 Optical Properties
3.1 Luster
Vitreous, Resinous, Pearly
Greasy
3.2 Pleochroism
Weak
AbsentWalter Schumann
3.3 Dispersion
3.4 Transparency
Gems
Transparent, Translucent, Opaque
3.5 Refractive Index
1.518-1.5611.478-1.488
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.025Not Available
0
0.296
3.9 Clarity
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
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4.1.2 Cardiovascular
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4.1.3 Respiratory
Not Available
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4.1.4 Reproductive
Not Available
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4.1.5 Digestive
Not Available
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4.2 Psychology
Not Available
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4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
Not Available