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Nowackiite Mineral Data
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General Nowackiite Information
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 Chemical Formula: |
Cu6Zn3As4S12 |
| Composition: |
Molecular Weight = 1,261.92 gm |
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Zinc 15.55 % Zn |
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Copper 30.21 % Cu |
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Arsenic 23.75 % As |
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Sulfur 30.49 % S |
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______ |
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100.00 % |
| Empirical Formula: |
Cu6Zn3As4S12 |
| Environment: |
In a hydrothermal deposit in dolomite with other Pb-As-S sulfosalts. |
| IMA Status: |
Approved IMA 1965 |
| Locality: |
Lengenbach, Binntal, Valais (Wallis), Switzerland. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Werner Nowaki (1909-), University of Berne, Switzerland. |
| Name Pronunciation: |
Nowackiite + Pronunciation  |
| Synonym: |
ICSD 26827 |
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PDF 25-323 |
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Nowackiite Crystallography
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| Axial Ratios: |
a:c = 1:0.68229 |
| Cell Dimensions: |
a = 13.44, c = 9.17, Z = 3; V = 1,434.49 Den(Calc)= 4.38 |
| Crystal System: |
Trigonal - Pyramidal H-M Symbol (3) Space Group: R 3 |
| X Ray Diffraction: |
By Intensity(I/Io): 1.019(1), 1.081(0.75), 1.887(0.63), |
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Physical Properties of Nowackiite
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| Color: |
Lead gray, Black, Steel gray. |
| Diaphaneity: |
Opaque |
| Habit: |
Equant Grains - Granular material with equel dimensions in x, y, and z. |
| Hardness: |
3.5-4 - Copper Penny-Fluorite |
| Luster: |
Metallic |
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Calculated Properties of Nowackiite
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| Electron Density: |
Bulk Density (Electron Density)=4.08 gm/cc
note: Specific Gravity of Nowackiite =4.38 gm/cc.
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| Fermion Index: |
Fermion Index = 0.0086605109
Boson Index = 0.9913394891 |
| Photoelectric: |
PENowackiite = 39.76 barns/electron
U=PENowackiite x rElectron Density= 162.28 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Nowackiite is Not Radioactive |
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Nowackiite Classification
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| Dana Class: |
03.04.13.01 (03)Sulfides - Sulfosalts |
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(03.04)where z/y > 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals |
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(03.04.13)Dana Group |
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03.04.13.01 Nowackiite Cu6Zn3As4S12 R 3 3 |
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03.04.13.02 Aktashite Cu6Hg3As4S12 R 3 3 |
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03.04.13.03 Gruzdevite Cu6Hg3Sb4S12 R 3 3 |
| Strunz Class: |
02.GA.30 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.G - Sulfarsenites, sulfantimonites, sulfbismuthites |
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02.GA -Neso-sulfarsenites, etc., without additional S |
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02.GA.30 Aktashite Cu6Hg3As4S12 R 3 3 |
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02.GA.30 Gruzdevite Cu6Hg3Sb4S12 R 3 3 |
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02.GA.30 Nowackiite Cu6Zn3As4S12 R 3 3 |
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Other Nowackiite Information
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| References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) |
| See Also: |
Links to other databases for Nowackiite :
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 Nowackiite Specimen Label here :
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Nowackiite
Cu6Zn3As4S12
Dana No: 03.04.13.01 Strunz No: 02.GA.30
Locality:
Notes:
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