1 Astrology
1.1 Origin
Pakistan
Southern and central Africa
1.2 Color
White, Green, Blue, Yellow, Brownish, Red, Blue, gray, Yellow, White
Colorless, Brown, Greenish, gray
1.3 Streak
1.4 For which Rashi?
Not Available
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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
2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Irregular
Gems, Sixth Edition (2006), Gems, Sixth Edition (2006), Uneven
2.6 Cleavage
Perfect on {0001}
From the Greek, oligos and kasein, little cleavage.
2.7 Mohs Hardness
2.8 Chemical Composition
Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
3 Optical Properties
3.1 Luster
Vitreous, Pearly
Vitreous
3.2 Pleochroism
Not Available
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3.3 Dispersion
3.4 Transparency
TransparentMichael OâDonoghue, Gems, Sixth Edition (2006)
Gemmological Tables (2004)
3.5 Refractive Index
1.56-1.601.538-1.550
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
3.9 Clarity
TransparentMichael OâDonoghue
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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