1 Astrology
1.1 Origin
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
White, Violet, Blue, Yellow, Brownish, Colorless, Greenish
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
2.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
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2.6 Cleavage
{???} Distinct, {???} Indistinct
Indiscernible
2.7 Mohs Hardness
2.8 Chemical Composition
3CaAl 2Si 2O 8 · CaCO 3Anthony et al , Handbook of mineralogy (2001)
SiO2
3 Optical Properties
3.1 Luster
Vitreous, Resinous
Vitreous
3.2 Pleochroism
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3.3 Dispersion
3.4 Transparency
Transparent, Translucent
Opaque
3.5 Refractive Index
1.556-1.6001.54-1.55
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
0.024-0.037Not 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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