1 Astrology
1.1 Origin
Let us know how we can update this page, (Click for more details), Not Available, Southern and central Africa
Not Available
1.2 Color
Red
Greenish, White, White, gray, Greenish, Reddish, White, gray, Greenish, Green, gray, White, gray, Greenish, Green, gray
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
Not Noted
1.10 Not to wear with
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1.11 Powers
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
2.63-2.652.60-2.65
1
7.18
2.5 Fracture
Not Available
Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal
2.6 Cleavage
Indiscernible
Perfect on {001}, very good on {010}, imperfect on {110}
2.7 Mohs Hardness
2.8 Chemical Composition
SiO2
NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
3 Optical Properties
3.1 Luster
Vitreous
Vitreous, Pearly
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Opaque
Transparent, Translucent
3.5 Refractive Index
1.54-1.551.525-1.542
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
Not Available0.008-0.011
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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