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Tucekite Mineral Data
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General Tucekite Information
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 Chemical Formula: |
Ni9Sb2S8 |
| Composition: |
Molecular Weight = 1,028.24 gm |
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Nickel 51.37 % Ni |
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Antimony 23.68 % Sb |
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Sulfur 24.95 % S |
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______ |
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100.00 % |
| Empirical Formula: |
Ni9Sb2S8 |
| Environment: |
In a hydrothermal deposit. |
| IMA Status: |
Approved IMA 1978 |
| Locality: |
Kanowna, near Kalgoorlie, and the Whim Creek deposit, Western Australia, Australia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Karel Tucek, Curator of Minerals in the National Museum, Prague, Poland. |
| Name Pronunciation: |
Tucekite  |
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Tucekite Image |
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Images:
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Tucekite Ullmannite
Comments: Gray tucekite with ullmannite in white matrix.
Location: Adler mine, Eisern, Siegerland, Nordrhein-Westfalen, Germany.
Scale: Picture Size 3.5 mm.
© Thomas Witzke |
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Tucekite Crystallography
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| Axial Ratios: |
a:c = 1:0.75299 |
| Cell Dimensions: |
a = 7.174, c = 5.402, Z = 1; V = 278.02 Den(Calc)= 6.14 |
| 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): 2.76(1), 2.28(0.8), 2.38(0.8), |
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Physical Properties of Tucekite
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| Cleavage: |
None |
| Color: |
Light yellow. |
| Diaphaneity: |
Opaque |
| Fracture: |
Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments. |
| Habit: |
Irregular Grains - Occurs as splotchy, anhedral crystals forming inclusions in other minerals or rocks. |
| Hardness: |
6 - Orthoclase |
| Luster: |
Metallic |
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Optical Properties of Tucekite
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| RL Anisotrophism: |
Very strong to distinct, deep brown to grayish blue. |
| RL Color: |
Brownish yellow. |
| RL Pleochroism: |
Very weak to absent. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Tucekite in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 400 nm |
37.50 |
38.20 |
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| 420 nm |
38.00 |
39.40 |
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| 440 nm |
38.60 |
41.00 |
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| 460 nm |
39.50 |
42.50 |
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| 480 nm |
40.70 |
44.00 |
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| 500 nm |
42.30 |
45.60 |
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| 520 nm |
44.00 |
47.00 |
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| 540 nm |
45.40 |
48.00 |
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| 560 nm |
46.60 |
48.80 |
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| 580 nm |
47.60 |
49.40 |
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| 600 nm |
48.40 |
50.10 |
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| 620 nm |
49.20 |
50.70 |
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| 640 nm |
49.90 |
51.40 |
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| 660 nm |
50.60 |
52.00 |
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| 680 nm |
51.20 |
52.60 |
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| 700 nm |
51.80 |
53.10 |
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Calculated Relative Intensity Colors of Tucekite 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 Tucekite
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| Electron Density: |
Bulk Density (Electron Density)=5.76 gm/cc
note: Specific Gravity of Tucekite =6.14 gm/cc.
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| Fermion Index: |
Fermion Index = 0.0076759787
Boson Index = 0.9923240213 |
| Photoelectric: |
PETucekite = 96.88 barns/electron
U=PETucekite x rElectron Density= 557.68 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Tucekite is Not Radioactive |
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Tucekite Classification
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| Dana Class: |
03.02.05.05 (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 Tucekite 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 Tucekite :
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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Print or Cut-and-Paste your Tucekite Specimen Label here :
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Tucekite
Ni9Sb2S8
Dana No: 03.02.05.05 Strunz No: 02.BB.10
Locality:
Notes:
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