1 Astrology
1.1 Origin
Pakistan, Tanzania
Canada, Southern and central Africa, Italy, Australia, India
1.2 Color
Brown, gray, Green, Blue, rose, Red
Violet, Brownish, Yellow, Reddish, Pale pink
1.3 Streak
1.4 For which Rashi?
1.5 Planet
Not Available
Mercury, Jupiter
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
Not Available
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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
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1.12 Birthstone
1.12.1 Planetary
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
3.20-3.502.69-2.79
1
7.18
2.5 Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Even
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
2.6 Cleavage
Perfect {010} imperfect {100}
Poor on {0001}
2.7 Mohs Hardness
2.8 Chemical Composition
Ca2Al3(SiO4)3(OH)
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
3.2 Pleochroism
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green
Weak
3.3 Dispersion
3.4 Transparency
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.
Translucent
3.5 Refractive Index
1.685-1.7071.607-1.612
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
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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