1 Astrology
1.1 Origin
Southern and central Africa
USA
1.2 Color
Black, Brownish, Brown, Black, Brownish
Colorless, White, Green, White, Green, Brown, Colorless, Green, White, White
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
Not Available
1.6 Element of Planets
Not Available
Not Available
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
Not Available
Not Available
1.9 Deities
Not Available
Not Available
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
Not Available
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
Easily soluble in cold dilute HCl
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.5 Fracture
Uneven
Brittle, Uneven, Brittle, Uneven
2.6 Cleavage
None, parting may develop along {111}
Good in two directions parallel to the prism faces {110}
2.7 Mohs Hardness
2.8 Chemical Composition
3 Optical Properties
3.1 Luster
Not Available
Subadamantine, Silky, Fibrous
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Not Available
Not Available
3.5 Refractive Index
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
Not Available0.024
0
0.296
3.9 Clarity
Not Available
Not Available
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
Not Available
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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
Not Available
4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
Not Available