1 Astrology
1.1 Origin
Australia, Southern and central Africa
Not Available, blue
1.2 Color
1.3 Streak
Not Available
Not Available
1.4 For which Rashi?
1.5 Planet
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
Not Available
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1.8 Energy
1.9 Deities
1.10 Not to wear with
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1.11 Powers
1.12 Birthstone
1.12.1 Planetary
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1.12.2 Talisman
2 Physical Properties
2.1 Tenacity
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2.2 Solubility
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2.3 Durability
Not Available
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2.4 Specific Gravity
3.00-3.152.74-2.90
1
7.18
2.5 Fracture
Not Available
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2.6 Cleavage
Not Available
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2.7 Mohs Hardness
2.8 Chemical Composition
Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006)
Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
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3.2 Pleochroism
Not Available
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3.3 Dispersion
3.4 Transparency
Translucent
Gemmological Tables (2004)
3.5 Refractive Index
1.627-1.6451.595-1.645
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.007-0.0130.032-0.038
0
0.296
3.9 Clarity
Translucent
Gemmological Tables (2004)
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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