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Bismutohauchecornite Mineral Data

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General Bismutohauchecornite Information

Help on Chemical  Formula: Chemical Formula: Ni9Bi2S8
Help on Composition: Composition: Molecular Weight = 1,202.70 gm
   Nickel   43.92 %  Ni
   Bismuth  34.75 %  Bi
   Sulfur   21.33 %  S
           ______ 
           100.00 % 
Help on Empirical Formula: Empirical Formula: Ni9Bi2S8
Help on Environment: Environment: Hydrothermal origin, as secondary pore-fillings and replacements of sandstone and conglomerate.
Help on IMA Status: IMA Status: Approved IMA 1980
Help on Locality: Locality: Oktyabr mine, Norilsk, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the Bi analog of hauchecornite.
Help on Name Pronunciation: Name Pronunciation: Bismutohauchecornite + Pronunciation Say BISMUTOHAUCHECORNITE
 

Bismutohauchecornite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.79782
Help on Cell Dimensions: Cell Dimensions: a = 7.37, c = 5.88, Z = 1; V = 319.38 Den(Calc)= 6.25
Help on Crystal System: Crystal System: Tetragonal - Ditetragonal Dipyramidal H-M Symbol (4/m 2/m 2/m) Space Group: P 4/mmm
 

Physical Properties of Bismutohauchecornite

Help on Cleavage: Cleavage: None
Help on Color: Color: Bronze.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 5.5 - Knife Blade
Help on Luster: Luster: Metallic
Help on Streak: Streak: grayish black
 

Optical Properties of Bismutohauchecornite

Help on RL Anisotrophism: RL Anisotrophism: Weak.
Help on RL Pleochroism: RL Pleochroism: Moderate.
 

Calculated Properties of Bismutohauchecornite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.67 gm/cc
note: Specific Gravity of Bismutohauchecornite =6.25 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0065628659
Boson Index = 0.9934371341
Help on Photoelectric: Photoelectric: PEBismutohauchecornite = 635.91 barns/electron
U=PEBismutohauchecornite x rElectron Density=3,608.61 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Bismutohauchecornite is Not Radioactive
 

Bismutohauchecornite Classification

Help on  Dana Class: Dana Class: 03.02.05.02 (03)Sulfides - Sulfosalts
  (03.02)where z/y = 4 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.02.05)Hauchecornite Group, Complex Ni sulfides (Tetragonal: P4/nnn or I4/mmm)
 
03.02.05.01 Hauchecornite Ni9Bi(Sb,Bi)S8 P 4/mmm 4/m 2/m 2/m
 
03.02.05.02 Bismutohauchecornite Ni9Bi2S8 P 4/mmm 4/m 2/m 2/m
 
03.02.05.03 Tellurohauchecornite Ni9BiTeS8 P 4/mmm 4/m 2/m 2/m
 
03.02.05.04 Arsenohauchecornite Ni18Bi3AsS16 I 4/mmm 4/m 2/m 2/m
 
03.02.05.05 Tucekite Ni9Sb2S8 P 4/mmm 4/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 02.BB.10 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1)
  02.BB -With Ni, Fe
 
02.BB.10 Arsenohauchecornite Ni18Bi3AsS16 I 4/mmm 4/m 2/m 2/m
 
02.BB.10 Bismutohauchecornite Ni9Bi2S8 P 4/mmm 4/m 2/m 2/m
 
02.BB.10 Hauchecornite Ni9Bi(Sb,Bi)S8 P 4/mmm 4/m 2/m 2/m
 
02.BB.10 Tellurohauchecornite Ni9BiTeS8 P 4/mmm 4/m 2/m 2/m
 
02.BB.10 Tucekite Ni9Sb2S8 P 4/mmm 4/m 2/m 2/m
 

Other Bismutohauchecornite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Bismutohauchecornite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Ecole des Mines de Paris
4 - GeoScienceWorld
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info

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Print or Cut-and-Paste your Bismutohauchecornite Specimen Label here :

Bismutohauchecornite

Ni9Bi2S8
Dana No: 03.02.05.02 Strunz No: 02.BB.10
Locality:

 

Notes:

 

 
   
 


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