1 Astrology
1.1 Origin
Canada, Russia
Southern and central Africa
1.2 Color
Black, Green, Black, Green, Black, Green, gray, Black, Green, gray
Not Available
1.3 Streak
Not Available, Not Available, gray, Green
Not Available
1.4 For which Rashi?
1.5 Planet
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
1.9 Deities
Not Available
Not Available
1.10 Not to wear with
Not Available
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1.11 Powers
Not Available
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1.12 Birthstone
1.12.1 Planetary
Not Available
Not Available
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
3.3-3.5Not Available
1
7.18
2.5 Fracture
Uneven, Brittle, Metallic, Brittle, Metallic
Not Available
2.6 Cleavage
Perfect on [110]
Not Available
2.7 Mohs Hardness
2.8 Chemical Composition
NaNa2(Fe++4Fe+++)Si8O22(OH)2
Not Available
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Strong: Blue-greens
Not Available
3.3 Dispersion
3.4 Transparency
Not Available
Transparent
3.5 Refractive Index
1.652-1.699Not Available
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
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
Not Available
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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
Not Available
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4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
Not Available