1 Astrology
1.1 Origin
1.2 Color
Yellow
Colorless, White, Blue, Red, Reddish, Brownish
1.3 Streak
Greenish, Black, Brownish
White
1.4 For which Rashi?
Not Available
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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
2.2 Solubility
insoluble in water
Soluble
2.3 Durability
Not Available
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2.4 Specific Gravity
2.5 Fracture
Uneven, Conchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle
Uneven, Brittle
2.6 Cleavage
Indistinct on {001}; partings on {011} and {111}
Perfect on [100], [010], [001]
2.7 Mohs Hardness
2.8 Chemical Composition
FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Not Available
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Not Available
Visible in colored crystals
3.3 Dispersion
3.4 Transparency
OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
Not Available
3.5 Refractive Index
Not Available1.4903
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
Not AvailableNot Available
0
0.296
3.9 Clarity
OpaqueHerve Nicolas Lazzarelli
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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
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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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