1 Astrology
1.1 Origin
Madagascar, Southern and central Africa
Let us know how we can update this page, (Click for more details), Not Available, Southern and central Africa
1.2 Color
Grey, Brownish, Blue, Colorless, White, gray, Reddish
Red
1.3 Streak
1.4 For which Rashi?
1.5 Planet
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
1.9 Deities
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Black Madonna, Isis
1.10 Not to wear with
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1.11 Powers
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Courage, Wealth
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
2.54-2.612.63-2.65
1
7.18
2.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Not Available
2.6 Cleavage
{001} Perfect, {010} Good
Indiscernible
2.7 Mohs Hardness
2.8 Chemical Composition
KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
SiO2
3 Optical Properties
3.1 Luster
3.2 Pleochroism
WeakMichael OâDonoghue
Not Available
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.518-1.5361.54-1.55
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
0.005-0.008Not Available
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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