1 Astrology
1.1 Origin
Australia
Southern and central Africa
1.2 Color
Yellow, Green, Blue
Colorless, White, Blue, Yellow, Grey, Brown, Colorless, White, Blue, Yellow, Grey, Brown
1.3 Streak
1.4 For which Rashi?
Not Available
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1.5 Planet
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1.6 Element of Planets
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1.7 Energy
Not Available
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1.8 How to Wear?
1.8.1 Finger
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1.8.2 Ring Metal
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1.9 Deities
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1.10 Not to wear with
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1.11 Powers
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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
2.2 Solubility
2.3 Durability
Not Available
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2.4 Specific Gravity
2.5 Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references
Irregular/uneven
2.6 Cleavage
Not Available
Perfect cleavage parallel to base and prism faces: {001} Perfect, {210} Perfect, {010} Imperfect
2.7 Mohs Hardness
2.8 Chemical Composition
SiO 2 · nH 2OGemdat.org , Management Team (2012)
Not Available
3 Optical Properties
3.1 Luster
Not Available
Vitreous, Pearly
3.2 Pleochroism
AbsentWalter Schumann
Not Available
3.3 Dispersion
3.4 Transparency
Transparent, Translucent
Not Available
3.5 Refractive Index
1.370-1.4701.634-1.637
1
3.25
3.6 Optic Character
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3.7 Crystal System
Not Available
Orthorhombic
3.8 Birefringence
Not AvailableNot Available
0
0.296
3.9 Clarity
Transparent
Not Available
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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