1 Astrology
1.1 Origin
Southern and central Africa
Australia
1.2 Color
Brown, Black
Red, White, gray, Black
1.3 Streak
Not Available
Brownish, Black
1.4 For which Rashi?
Cancer, Leo, Cancer, Leo, Cancer, Leo
Not Available
1.5 Planet
Mars, Saturn
Not Available
1.6 Element of Planets
Not Available
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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
1.10 Not to wear with
Not Available
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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
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2.3 Durability
Not Available
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2.4 Specific Gravity
Not AvailableNot Available
1
7.18
2.5 Fracture
Not Available
Conchoidal, Uneven
2.6 Cleavage
Not Available
{1010} Imperfect, {0001} Imperfect
2.7 Mohs Hardness
2.8 Chemical Composition
Not Available
Not Available
3 Optical Properties
3.1 Luster
Not Available
Not Available
3.2 Pleochroism
Not Available
Strong (reflected light)
3.3 Dispersion
3.4 Transparency
Not Available
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3.5 Refractive Index
Not AvailableNot Available
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
Not AvailableNot Available
0
0.296
3.9 Clarity
Not Available
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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
Not Available
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4.2 Psychology
Not Available
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4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
Not Available