1 Astrology
1.1 Origin
Let us know how we can update this page, (Click for more details), Not Available, Southern and central Africa
Turkey
1.2 Color
Red
Colorless, White, Yellow, White, Greenish, gray, Brown, Colorless, Yellow
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
Black Madonna, Isis
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1.10 Not to wear with
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1.11 Powers
Courage, Wealth
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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
Not Available
Very brittle
2.2 Solubility
2.3 Durability
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2.4 Specific Gravity
2.63-2.653.30-3.40
1
7.18
2.5 Fracture
Not Available
Conchoidal, Brittle, Conchoidal
2.6 Cleavage
Indiscernible
{010} perfect, {110} distinct, {100} in traces
2.7 Mohs Hardness
2.8 Chemical Composition
SiO2
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
3 Optical Properties
3.1 Luster
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.54-1.551.702-1.750
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
Not Available0.048
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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