1 Astrology
1.1 Origin
USA, Afghanistan, Pakistan, Brazil, Madagascar
Brazil, Southern and central Africa, Sri Lanka
1.2 Color
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
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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
Not Available
Insoluble in acids
2.3 Durability
Not Available
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2.4 Specific Gravity
3.15-3.214.20-4.30
1
7.18
2.5 Fracture
Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)
Uneven, ConchoidalArthur Thomas, Gemstones (2009)
2.6 Cleavage
1,2 prismatic
{110} good, 100 moderate, parting on {092} and {011}
2.7 Mohs Hardness
2.8 Chemical Composition
LiAlSi2O6
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Distinct trichroism: yellow green green blue greenHerve Nicolas Lazzarelli
Weak to distinct brownish red-green-yellow
3.3 Dispersion
3.4 Transparency
Transparent
Transparent, Translucent
3.5 Refractive Index
1.657-1.6812.609-2.903
1
3.25
1.13 Optic Character
Not Available
Not Available
1.14 Crystal System
1.15 Birefringence
1.16 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
2 Benefits
2.1 Physical
2.1.1 Neurological
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2.1.2 Cardiovascular
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2.1.3 Respiratory
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2.1.4 Reproductive
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2.1.5 Digestive
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2.2 Psychology
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2.3 Healing
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2.4 Qualities Associated
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