1 Astrology
1.1 Origin
Southern and central Africa
Not Available
1.2 Color
Red, Blue, Green, Reddish, Brown
Blue
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
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1.6 Element of Planets
Not Available
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1.7 How to Wear?
1.7.1 Finger
Not Available
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1.7.2 Ring Metal
Not Available
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1.8 Energy
Not Available
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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
Not Available
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2 Physical Properties
2.1 Tenacity
Not Available
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2.2 Solubility
Not Available
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2.3 Durability
Not Available
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2.4 Specific Gravity
3.79-3.94Not Available
1
7.18
2.5 Fracture
Lamellar, Splintery
Not Available
2.6 Cleavage
{100} Good, {001} Good, {010} Poor
Not Available
2.7 Mohs Hardness
2.8 Chemical Composition
Not Available
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3 Optical Properties
3.1 Luster
3.2 Pleochroism
Not Available
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3.3 Dispersion
3.4 Transparency
TranslucentAnthony et al, Handbook of mineralogy (2001)
Transparent
3.5 Refractive Index
1.670-1.734Not Available
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Not Available
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3.8 Birefringence
Not AvailableNot Available
0
0.296
3.9 Clarity
TranslucentAnthony et al
Transparent
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
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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
Not Available
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4.2 Psychology
Not Available
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4.3 Healing
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4.4 Qualities Associated
Not Available
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