1 Astrology
1.1 Origin
Brazil
Southern and central Africa
1.2 Color
Yellow
Green, Yellow, Red, Blue
1.3 Streak
Greenish, Black, Brownish
Black
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
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1.6 Element of Planets
Not Available
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1.7 How to Wear?
1.7.1 Finger
Not Available
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1.7.2 Ring Metal
Not Available
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1.8 Energy
Not Available
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1.9 Deities
Not Available
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1.10 Not to wear with
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1.11 Powers
Not Available
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1.12 Birthstone
1.12.1 Planetary
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1.12.2 Talisman
Not Available
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2 Physical Properties
2.1 Tenacity
2.2 Solubility
insoluble in water
Not Available
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
Not Available
2.6 Cleavage
Indistinct on {001}; partings on {011} and {111}
{110} Good
2.7 Mohs Hardness
2.8 Chemical Composition
FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
NaFeS2•2(H2O)
3 Optical Properties
3.1 Luster
Not Available
Vitreous, Silky
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
Translucent
3.5 Refractive Index
Not Available1.580
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Isometric
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
3.8 Birefringence
Not AvailableNot Available
0
0.296
3.9 Clarity
OpaqueHerve Nicolas Lazzarelli
Translucent
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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