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Hauchecornite Mineral Data
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General Hauchecornite Information
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 Chemical Formula: |
Ni9Bi(Sb,Bi)S8 |
| Composition: |
Molecular Weight = 1,137.28 gm |
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Nickel 46.45 % Ni |
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Bismuth 22.97 % Bi |
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Antimony 8.03 % Sb |
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Sulfur 22.56 % S |
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______ |
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100.00 % |
| Empirical Formula: |
Ni9Bi1.25Sb0.75S8 |
| Environment: |
Hydrothermal origin. |
| IMA Status: |
Valid Species (Pre-IMA) 1893 |
| Locality: |
From the Friedrich mine, near Wissen, North Rhine-Westphalia, Germany. Link to MinDat.org Location Data. |
| Name Origin: |
Named for William Hauchecorn (1828-1900), Director of the Geological Survey and the Mining Academy, Berlin, Germany. |
| Name Pronunciation: |
Hauchecornite + Pronunciation  |
| Synonym: |
ICSD 40055 |
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PDF 6-457 |
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Hauchecornite Image |
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Images:
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Hauchecornite
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 |
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Hauchecornite Crystallography
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| Axial Ratios: |
a:c = 1:0.74074 |
| Cell Dimensions: |
a = 7.29, c = 5.4, Z = 1; V = 286.98 Den(Calc)= 6.58 |
| Crystal System: |
Tetragonal - Ditetragonal Dipyramidal H-M Symbol (4/m 2/m 2/m) Space Group: P 4/mmm |
| X Ray Diffraction: |
By Intensity(I/Io): 2.79(1), 2.3(0.6), 2.39(0.6), |
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Physical Properties of Hauchecornite
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| Cleavage: |
None |
| Color: |
Bronze, Brown, Dark. |
| Density: |
6.36 |
| Diaphaneity: |
Opaque |
| Fracture: |
Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz). |
| Habit: |
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). |
| Habit: |
Tabular - Form dimensions are thin in one direction. |
| Hardness: |
5 - Apatite |
| Luster: |
Metallic |
| Streak: |
grayish black |
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Optical Properties of Hauchecornite
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| RL Anisotrophism: |
Distinct. |
| RL Pleochroism: |
Very weak in air, more distinct in oil. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Hauchecornite in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 400 nm |
35.80 |
37.90 |
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| 420 nm |
37.20 |
39.30 |
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| 440 nm |
38.60 |
40.70 |
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| 460 nm |
40.00 |
42.20 |
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| 480 nm |
41.40 |
43.80 |
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| 500 nm |
42.70 |
45.40 |
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| 520 nm |
44.00 |
46.90 |
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| 540 nm |
45.20 |
48.20 |
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| 560 nm |
46.30 |
49.30 |
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| 580 nm |
47.30 |
50.20 |
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| 600 nm |
48.20 |
51.00 |
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| 620 nm |
49.00 |
51.70 |
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| 640 nm |
49.70 |
52.30 |
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| 660 nm |
50.40 |
52.90 |
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| 680 nm |
51.00 |
53.40 |
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| 700 nm |
51.50 |
53.90 |
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Calculated Relative Intensity Colors of Hauchecornite in Air
Relative
Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
210% |
230% |
| R1 |
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| R2 |
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Calculated Properties of Hauchecornite
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| Electron Density: |
Bulk Density (Electron Density)=6.04 gm/cc
note: Specific Gravity of Hauchecornite =6.58 gm/cc.
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| Fermion Index: |
Fermion Index = 0.0069402627
Boson Index = 0.9930597373 |
| Photoelectric: |
PEHauchecornite = 449.26 barns/electron
U=PEHauchecornite x rElectron Density=2,713.69 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Hauchecornite is Not Radioactive |
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Hauchecornite Classification
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| Dana Class: |
03.02.05.01 (03)Sulfides - Sulfosalts |
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(03.02)where z/y = 4 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals |
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(03.02.05)Hauchecornite Group, Complex Ni sulfides (Tetragonal: P4/nnn or I4/mmm) |
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03.02.05.01 Hauchecornite Ni9Bi(Sb,Bi)S8 P 4/mmm 4/m 2/m 2/m |
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03.02.05.02 Bismutohauchecornite Ni9Bi2S8 P 4/mmm 4/m 2/m 2/m |
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03.02.05.03 Tellurohauchecornite Ni9BiTeS8 P 4/mmm 4/m 2/m 2/m |
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03.02.05.04 Arsenohauchecornite Ni18Bi3AsS16 I 4/mmm 4/m 2/m 2/m |
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03.02.05.05 Tucekite Ni9Sb2S8 P 4/mmm 4/m 2/m 2/m |
| Strunz Class: |
02.BB.10 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1) |
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02.BB -With Ni, Fe |
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02.BB.10 Arsenohauchecornite Ni18Bi3AsS16 I 4/mmm 4/m 2/m 2/m |
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02.BB.10 Bismutohauchecornite Ni9Bi2S8 P 4/mmm 4/m 2/m 2/m |
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02.BB.10 Hauchecornite Ni9Bi(Sb,Bi)S8 P 4/mmm 4/m 2/m 2/m |
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02.BB.10 Tellurohauchecornite Ni9BiTeS8 P 4/mmm 4/m 2/m 2/m |
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02.BB.10 Tucekite Ni9Sb2S8 P 4/mmm 4/m 2/m 2/m |
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Other Hauchecornite Information
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| References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
| 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
15 - WWW-MINCRYST
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Hauchecornite
Ni9Bi(Sb,Bi)S8
Dana No: 03.02.05.01 Strunz No: 02.BB.10
Locality:
Notes:
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