1 Astrology
1.1 Origin
Southern and central Africa
Not Available
1.2 Color
Blue, Grey
Green, Grey, Blue, Yellow, Colorless, Violet, Red
1.3 Streak
Not Available
Greenish, White
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 How to Wear?
1.7.1 Finger
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1.7.2 Ring Metal
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1.8 Energy
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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
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2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
2.58-2.64Not Available
1
7.18
2.5 Fracture
Gemstones of the world (2001)
Sub-Conchoidal, Splintery
2.6 Cleavage
Not Available
{201} Imperfect, {100} Poor, {001} Poor
2.7 Mohs Hardness
2.8 Chemical Composition
SiO 2Walter Schumann , Gemstones of the world (2001)
Not Available
3 Optical Properties
3.1 Luster
Not Available
Sub-Adamantine, Vitreous, Resinous
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Gemstones of the world (2001)
Not Available
3.5 Refractive Index
1.534-1.540Not Available
1
3.25
3.6 Optic Character
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3.7 Crystal System
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Orthorhombic
3.8 Birefringence
Not AvailableNot Available
0
0.296
3.9 Clarity
Gemstones of the world (2001)
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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