1 Astrology
1.1 Origin
Colombia, Brazil, Madagascar
Southern and central Africa
1.2 Color
White, Colorless, Blue, Red, Green, Yellow, Violet
White, Colorless, gray, Yellow
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
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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
Not Available
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2 Physical Properties
2.1 Tenacity
2.2 Solubility
Not Available
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2.3 Durability
Not Available
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2.4 Specific Gravity
Not Available2.45-2.50
1
7.18
2.5 Fracture
Not Available
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
2.6 Cleavage
Not Available
Poor on {110}
2.7 Mohs Hardness
2.8 Chemical Composition
Not Available
KAlSi 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Not Available
Not Available
3.3 Dispersion
3.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
3.5 Refractive Index
Not Available1.504-1.510
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
Not Available0.001
0
0.296
3.9 Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda
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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