1 Astrology
1.1 Origin
Canada, Brazil, Kenya, Tanzania, Madagascar, Burma, Afghanistan
Southern and central Africa
1.2 Color
Violet, White, gray, Brown, pink, Yellow
Brown, Colorless, Green
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
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1.6 Element of Planets
Not Available
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1.7 How to Wear?
1.7.1 Finger
Not Available
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1.7.2 Ring Metal
Not Available
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1.8 Energy
Not Available
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1.9 Deities
Not Available
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1.10 Not to wear with
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1.11 Powers
Not Available
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1.12 Birthstone
1.12.1 Planetary
Not Available
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1.12.2 Talisman
Not Available
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2 Physical Properties
2.1 Tenacity
Not Available
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2.2 Solubility
Not Available
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2.3 Durability
Not Available
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2.4 Specific Gravity
2.58-2.743.14-3.25
1
7.18
2.5 Fracture
ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Splintery
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
2.6 Cleavage
{100} Distinct, {110} Distinct
Not Available
2.7 Mohs Hardness
2.8 Chemical Composition
Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references
Al 2SiO 5Arthur Thomas , Gemstones (2009)
3 Optical Properties
3.1 Luster
Not Available
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3.2 Pleochroism
Not Available
DistinctArthur Thomas
3.3 Dispersion
3.4 Transparency
Gemmological Tables (2004) More from other references
Transparent
3.5 Refractive Index
1.540-1.5791.658-1.678
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.006-0.037Not Available
0
0.296
3.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
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
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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
Not Available
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