Mineralogy Database

Hauchecornite Mineral Data

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General Hauchecornite Information

Help on Chemical  Formula: Chemical Formula: Ni9Bi(Sb,Bi)S8
Help on Composition: Composition: Molecular Weight = 1,137.28 gm
   Nickel    46.45 %  Ni
   Bismuth   22.97 %  Bi
   Antimony   8.03 %  Sb
   Sulfur    22.56 %  S
            100.00 % 
Help on Empirical Formula: Empirical Formula: Ni9Bi1.25Sb0.75S8
Help on Environment: Environment: Hydrothermal origin.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1893
Help on Locality: Locality: From the Friedrich mine, near Wissen, North Rhine-Westphalia, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for William Hauchecorn (1828-1900), Director of the Geological Survey and the Mining Academy, Berlin, Germany.
Help on Name Pronunciation: Name Pronunciation: Hauchecornite + Pronunciation Say HAUCHECORNITE
Help on Synonym: Synonym: ICSD 40055
  PDF 6-457

Hauchecornite Image

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Comments: B&W polished section image showing arsenian hauchecornite (hc) with bornite (bn). (Mineralogical Journal, v9:199).
Location: Tsumo mine, Shimane Prefecture, Japan. Scale: See Image.
© Mineralogical Journal

Hauchecornite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.74074
Help on Cell Dimensions: Cell Dimensions: a = 7.29, c = 5.4, Z = 1; V = 286.98 Den(Calc)= 6.58
Help on Crystal System: Crystal System: Tetragonal - Ditetragonal Dipyramidal H-M Symbol (4/m 2/m 2/m) Space Group: P 4/mmm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.79(1), 2.3(0.6), 2.39(0.6),

Physical Properties of Hauchecornite

Help on Cleavage: Cleavage: None
Help on Color: Color: Bronze, Brown, Dark.
Help on Density: Density: 6.36
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Metallic
Help on Streak: Streak: grayish black

Optical Properties of Hauchecornite

Help on RL Anisotrophism: RL Anisotrophism: Distinct.
Help on RL Pleochroism: RL Pleochroism: Very weak in air, more distinct in oil.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Hauchecornite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   35.80   37.90 
 420 nm   37.20   39.30 
 440 nm   38.60   40.70 
 460 nm   40.00   42.20 
 480 nm   41.40   43.80 
 500 nm   42.70   45.40 
 520 nm   44.00   46.90 
 540 nm   45.20   48.20 
 560 nm   46.30   49.30 
 580 nm   47.30   50.20 
 600 nm   48.20   51.00 
 620 nm   49.00   51.70 
 640 nm   49.70   52.30 
 660 nm   50.40   52.90 
 680 nm   51.00   53.40 
 700 nm   51.50   53.90 
Calculated Relative Intensity Colors of Hauchecornite in Air
   0%   30%   60%   90% 100% 120% 150% 180% 210% 230%

Calculated Properties of Hauchecornite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.04 gm/cc
note: Specific Gravity of Hauchecornite =6.58 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0069402627
Boson Index = 0.9930597373
Help on Photoelectric: Photoelectric: PEHauchecornite = 449.26 barns/electron
U=PEHauchecornite x rElectron Density=2,713.69 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Hauchecornite is Not Radioactive

Hauchecornite Classification

Help on  Dana Class: Dana Class: (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) Hauchecornite Ni9Bi(Sb,Bi)S8 P 4/mmm 4/m 2/m 2/m Bismutohauchecornite Ni9Bi2S8 P 4/mmm 4/m 2/m 2/m Tellurohauchecornite Ni9BiTeS8 P 4/mmm 4/m 2/m 2/m Arsenohauchecornite Ni18Bi3AsS16 I 4/mmm 4/m 2/m 2/m 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 Hauchecornite Information

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

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Dana No: Strunz No: 02.BB.10





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