1 Astrology
1.1 Origin
Not Available
Southern and central Africa
1.2 Color
Not Available
Black, Brownish, Brown, Black, Brownish
1.3 Streak
1.4 For which Rashi?
1.5 Planet
Venus, Moon
Not Available
1.6 Element of Planets
Earth, Water
Not Available
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
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1.8 Energy
1.9 Deities
Not Available
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1.10 Not to wear with
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1.11 Powers
1.12 Birthstone
1.12.1 Planetary
Not Available
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1.12.2 Talisman
Not Available
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2 Physical Properties
2.1 Tenacity
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
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2.4 Specific Gravity
Not Available4.5-4.8
1
7.18
2.5 Fracture
2.6 Cleavage
Not Available
None, parting may develop along {111}
2.7 Mohs Hardness
2.8 Chemical Composition
3 Optical Properties
3.1 Luster
Not Available
Not Available
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Not Available
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3.5 Refractive Index
Not Available2.08-2.16
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
Not AvailableNot Available
0
0.296
3.9 Clarity
Not Available
Not Available
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
Not Available
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4.1.5 Digestive
Not Available
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4.2 Psychology
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4.3 Healing
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4.4 Qualities Associated
Not Available
Not Available