1 Astrology
1.1 Origin
1.2 Color
Colorless, White, Yellow, White, Greenish, gray, Brown, Colorless, Yellow
Not Available
1.3 Streak
1.4 For which Rashi?
Not Available
Pisces, Cancer, Pisces, Cancer, Pisces, Cancer
1.5 Planet
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Moon, Neptune, Moon, Neptune
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
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
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2 Physical Properties
2.1 Tenacity
Very brittle
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2.2 Solubility
2.3 Durability
Not Available
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2.4 Specific Gravity
3.30-3.40Not Available
1
7.18
2.5 Fracture
Conchoidal, Brittle, Conchoidal
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2.6 Cleavage
{010} perfect, {110} distinct, {100} in traces
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2.7 Mohs Hardness
2.8 Chemical Composition
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
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3 Optical Properties
3.1 Luster
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Transparent
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3.5 Refractive Index
1.702-1.750Not Available
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
Orthorhombic
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3.8 Birefringence
0.048Not 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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