1 Astrology
1.1 Origin
Let us know how we can update this page, (Click for more details), Not Available, Southern and central Africa
Brazil, Southern and central Africa
1.2 Color
1.3 Streak
1.4 For which Rashi?
Aries
Gemini, Sagittarius, Gemini, Sagittarius, Gemini, Sagittarius
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
Not Available
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1.8 Energy
1.9 Deities
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
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2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
2.63-2.653.04-3.17
1
7.18
2.5 Fracture
Not Available
Uneven, Uneven, Gemstones of the world (2001) More from other references
2.6 Cleavage
Indiscernible
{001} Indistinct, {???} Indistinct
2.7 Mohs Hardness
2.8 Chemical Composition
SiO2
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Not Available
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
3.3 Dispersion
3.4 Transparency
Opaque
Transparent, Translucent
3.5 Refractive Index
1.54-1.551.604-1.646
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
Not Available0.031-0.036
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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