1 Astrology
1.1 Origin
Switzerland
Canada, Southern and central Africa, Australia
1.2 Color
Colorless, Yellow, Blue, Reddish, Black, Reddish, Brown, Blue, gray, Black, Reddish, Brown, Blue, gray
Colorless, White, Colorless, gray, White
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
2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
3.82-3.972.72-2.75
1
7.18
2.5 Fracture
Subconchoidal, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Uneven, Gems, Sixth Edition (2006)
2.6 Cleavage
Perfect on [001] and [011]
Perfect on [001], good on [010], imperfect on [110]
2.7 Mohs Hardness
2.8 Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
3 Optical Properties
3.1 Luster
Adamantine
Vitreous, Pearly
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
2.488-2.5621.561-1.583
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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