1 Astrology
1.1 Origin
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Southern and central Africa
1.2 Color
1.3 Streak
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Not Available
1.4 For which Rashi?
Aries
Pisces, Cancer, Pisces, Cancer
1.5 Planet
1.6 Element of Planets
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
Goddess
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
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2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
2.63-2.652.65-2.87
1
7.18
2.5 Fracture
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2.6 Cleavage
Indiscernible
Not Available
2.7 Mohs Hardness
2.8 Chemical Composition
3 Optical Properties
3.1 Luster
3.2 Pleochroism
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3.3 Dispersion
3.4 Transparency
Opaque
Gemmological Tables (2004)
3.5 Refractive Index
1.54-1.551.53-1.69
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
Not Available0.16
0
0.296
3.9 Clarity
Opaque
Gemmological Tables (2004)
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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