1 Astrology
1.1 Origin
Czech
Southern and central Africa
1.2 Color
Brownish, Black, Colorless, White, gray, Blue, Green
Green, Yellow, Red, Blue
1.3 Streak
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
Not Available
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2.2 Solubility
2.3 Durability
Not Available
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2.4 Specific Gravity
2.5 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal
Not Available
2.6 Cleavage
Good [110] and [021]
{110} Good
2.7 Mohs Hardness
2.8 Chemical Composition
PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
NaFeS2•2(H2O)
3 Optical Properties
3.1 Luster
Adamantine, Vitreous, Resinous
Vitreous, Silky
3.2 Pleochroism
AbsentWalter Schumann
Extreme
3.3 Dispersion
3.4 Transparency
Transparent, Translucent
Translucent
3.5 Refractive Index
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Orthorhombic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
3.8 Birefringence
0.273Not Available
0
0.296
3.9 Clarity
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
Not Available
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