Nowackiite
A valid IMA mineral species
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About Nowackiite
Werner Nowacki (1909–1989)
Formula:
Cu6Zn3As4S12
Colour:
lead-grey, black
Lustre:
Metallic
Hardness:
3½ - 4
Crystal System:
Trigonal
Name:
In honour of Professor Werner Nowacki (1909–1989), Swiss crystallographer, University of Berne, Switzerland, for his extensive research on sulphosalts from Lengenbach.
Type Locality:
Isostructural with:
Chemically related to tennantite. Zn analogue of aktashite and zhengminghuaite; ZnAs-analogue of gruzdevite.
Unique Identifiers
Mindat ID:
2939
Long-form identifier:
mindat:1:1:2939:7
GUID
(UUID V4):
(UUID V4):
80b27042-05e5-49f0-bd88-6ce600b0f045
IMA Classification of Nowackiite
Approved
First published:
1965
Classification of Nowackiite
2.GA.30
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
G : Sulfarsenites, sulfantimonites, sulfbismuthites
A : Neso-sulfarsenites, etc. without additional S
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
G : Sulfarsenites, sulfantimonites, sulfbismuthites
A : Neso-sulfarsenites, etc. without additional S
3.4.13.1
3 : SULFOSALTS
4 : ø = 3
3 : SULFOSALTS
4 : ø = 3
5.4.1
5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
4 : Sulpharsenites etc. of Zn and Hg
5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
4 : Sulpharsenites etc. of Zn and Hg
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Now | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Nowackiite
Chemistry of Nowackiite
Mindat Formula:
Cu6Zn3As4S12
Elements listed:
Crystallography of Nowackiite
Crystal System:
Trigonal
Class (H-M):
3 - Pyramidal
Space Group:
R3
Cell Parameters:
a = 13.440(1) Å, c = 9.17(1) Å
Ratio:
a:c = 1 : 0.682
Unit Cell V:
1,434.49 ų (Calculated from Unit Cell)
Z:
3
Twinning:
On {0001}.
Crystal Structure
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2x2x2 | 3x3x3 | 4x4x4
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0010640 | Nowackiite | Marumo F (1967) The crystal structure of nowackiite, Cu6Zn3As4S12 Zeitschrift fur Kristallographie 124 352-368 |  | 1967 | Lengenbach, Binnatal, Switzerland | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.127 Å | (61) |
| 1.887 Å | (63) |
| 1.605 Å | (61) |
| 1.216 Å | (52) |
| 1.085 Å | (20) |
| 1.081 Å | (75) |
| 1.019 Å | (100) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| High-𝑇 alteration and/or metamorphism | |
| 33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) |
Type Occurrence of Nowackiite
Reference:
Marumo, F., Burri, G. (1965) Nowackiite, a new copper zinc arsenosulfosalt from Lengenbach (Binnatal, Kanton Wallis). Chimia: 19: 500-501.
Other Language Names for Nowackiite
Common Associates
Associated Minerals Based on Photo Data:
| 3 photos of Nowackiite associated with Sphalerite | ZnS |
| 2 photos of Nowackiite associated with Realgar | As4S4 |
| 1 photo of Nowackiite associated with Trechmannite | AgAsS2 |
| 1 photo of Nowackiite associated with Jentschite | TlPbAs2SbS6 |
Related Minerals - Strunz-mindat Grouping
| 2.GA. | Arsiccioite | AgHg2Tl(As,Sb)2S6 |
| 2.GA. | Eckerite | Ag2CuAsS3 |
| 2.GA. | Pyradoketosite | Ag3SbS3 |
| 2.GA.05 | Proustite | Ag3AsS3 |
| 2.GA.05 | Pyrargyrite | Ag3SbS3 |
| 2.GA.10 | Pyrostilpnite | Ag3SbS3 |
| 2.GA.10 | Xanthoconite | Ag3AsS3 |
| 2.GA.15 | Samsonite | Ag4MnSb2S6 |
| 2.GA.20 | Skinnerite | Cu3SbS3 |
| 2.GA.20 | Wittichenite | Cu3BiS3 |
| 2.GA.20 | Bytízite | Cu3SbSe3 |
| 2.GA.25 | Lapieite | NiCuSbS3 |
| 2.GA.25 | Mückeite | NiCu(Bi,Sb)S3 |
| 2.GA.25 | Malyshevite | PdCuBiS3 |
| 2.GA.25 | Lisiguangite | PtCuBiS3 |
| 2.GA.25 | Roterbärite | PdBiCuSe3 |
| 2.GA.30 | Aktashite | Cu6Hg3As4S12 |
| 2.GA.30 | Gruzdevite | Cu6Hg3Sb4S12 |
| 2.GA.30 | Zhengminghuaite | Cu6Fe3As4S12 |
| 2.GA.35 | Laffittite | AgHgAsS3 |
| 2.GA.40 | Routhierite | Tl(Cu,Ag)(Hg,Zn)2(As,Sb)2S6 |
| 2.GA.40 | Stalderite | Tl(Cu,Ag)(Zn,Fe,Hg)2(As,Sb)2S6 |
| 2.GA.40 | Ralphcannonite | AgZn2TlAs2S6 |
| 2.GA.40 | Ferrostalderite | CuFe2TlAs2S6 |
| 2.GA.40 | Unnamed (Ag-Fe endmember of Routhierite Group) | AgFe2TlAs2S6 |
| 2.GA.45 | Erniggliite | Tl2SnAs2S6 |
| 2.GA.50 | Bournonite | PbCuSbS3 |
| 2.GA.50 | Seligmannite | PbCuAsS3 |
| 2.GA.50 | Součekite | PbCuBi(S,Se)3 |
| 2.GA.50 | Unnamed (Pb-Cu-Bi Selenide) | PbCuBiSe3 |
| 2.GA.50 | Cerromojonite | CuPbBiSe3 |
| 2.GA.55 | Eldragónite | Cu6BiSe4(Se2) |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Nowackiite
mindat.org URL:
https://www.mindat.org/min-2939.html
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References for Nowackiite
Localities for Nowackiite
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
Chile | |
| Arfè et al. (2016) |
India | |
| Ahmed et al. (2018) |
Poland | |
| Chmielewski et al. (2016) |
Portugal | |
| Marques de Sá et al. (2010) |
Russia | |
| Kasatkin et al. (2020) |
Switzerland (TL) | |
| Chimia (1965) +2 other references |
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Lengenbach Quarry, Fäld, Binn, Goms, Valais, Switzerland