1 Astrology
1.1 Origin
Madagascar, Southern and central Africa
Pakistan, Tanzania
1.2 Color
White, Yellow, Blue, Green, Green, gray, Yellow
Brown, gray, Green, Blue, rose, Red
1.3 Streak
1.4 For which Rashi?
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1.5 Planet
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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
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1.8 Energy
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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
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2 Physical Properties
2.1 Tenacity
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2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
2.55-2.633.20-3.50
1
7.18
2.5 Fracture
Uneven, Uneven, Gems
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Even
2.6 Cleavage
{001} Perfect, {010} Good
Perfect {010} imperfect {100}
2.7 Mohs Hardness
2.8 Chemical Composition
KAlSi 3O 8Arthur Thomas , Gemstones (2009)
Ca2Al3(SiO4)3(OH)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
WeakMichael OâDonoghue
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green
3.3 Dispersion
3.4 Transparency
Translucent
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.
3.5 Refractive Index
1.514-1.5391.685-1.707
1
3.25
3.6 Optic Character
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3.7 Crystal System
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: C1
Orthorhombic
3.8 Birefringence
0.008-0.0100.006-0.018
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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