1 Astrology
1.1 Origin
Canada
Southern and central Africa
1.2 Color
Reddish, White, Violet, gray, Black, Reddish, White, Violet, gray, Black
Yellow, White
1.3 Streak
Black
gray, Brownish, Black
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
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1.6 Element of Planets
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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
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1.9 Deities
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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
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2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven
2.6 Cleavage
{100} Good, {010} Good, {001} Good
{010} Indistinct
2.7 Mohs Hardness
2.8 Chemical Composition
CoAsSAnthony et al , Handbook of mineralogy (2001)
FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
Not Available
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3.2 Pleochroism
Very weak
NilArthur Thomas
3.3 Dispersion
3.4 Transparency
Gems
Gemmological Tables (2004) More from other references
3.5 Refractive Index
Not AvailableNot Available
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21
Not Available
3.8 Birefringence
Not AvailableNot Available
0
0.296
3.9 Clarity
Gems
Gemmological Tables (2004) More from other references
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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