1 Astrology
1.1 Origin
Southern and central Africa
Not Available
1.2 Color
Red, Blue, Green, Reddish, Brown
Black
1.3 Streak
1.4 For which Rashi?
Not Available
Aquarius, All, Taurus, Aquarius, All, Taurus, Aquarius
1.5 Planet
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1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
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1.7.2 Ring Metal
Not Available
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1.8 Energy
Not Available
Projective, Receptive
1.9 Deities
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
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
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3 Optical Properties
3.1 Luster
3.2 Pleochroism
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3.3 Dispersion
3.4 Transparency
TranslucentAnthony et al, Handbook of mineralogy (2001)
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3.5 Refractive Index
1.670-1.734Not Available
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
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3.8 Birefringence
Not AvailableNot Available
0
0.296
3.9 Clarity
TranslucentAnthony et al
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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