Nowackiite
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Formula:
Cu6Zn3As4S12
Colour:
lead-grey, black
Lustre:
Metallic
Hardness:
3½ - 4
Crystal System:
Trigonal
Name:
In honour of Professor Werner Nowacki (1909–1989), Swiss mineralogist, University of Berne, Switzerland, for his extensive research on sulphosalts from Lengenbach.
Type Locality:
Isostructural with:
Classification of Nowackiite
Approved
2/C.12-20
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
Physical Properties of Nowackiite
Chemical Properties of Nowackiite
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}.
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.127 | (61) |
| 1.887 | (63) |
| 1.605 | (61) |
| 1.216 | (52) |
| 1.085 | (20) |
| 1.081 | (75) |
| 1.019 | (100) |
Type Occurrence of Nowackiite
Other Language Names for Nowackiite
Common Associates
Associated Minerals Based on Photo Data:
| Sphalerite | 3 photos of Nowackiite associated with Sphalerite on mindat.org. |
| Realgar | 2 photos of Nowackiite associated with Realgar on mindat.org. |
| Jentschite | 1 photo of Nowackiite associated with Jentschite on mindat.org. |
Related Minerals - Nickel-Strunz Grouping
| 2.GA.05 | Proustite | Ag3AsS3 | Trig. 3m (3 2/m) : R3c |
| 2.GA.05 | Pyrargyrite | Ag3SbS3 | Trig. 3m : R3c |
| 2.GA.10 | Pyrostilpnite | Ag3SbS3 | Mon. |
| 2.GA.10 | Xanthoconite | Ag3AsS3 | Mon. 2/m : B2/b |
| 2.GA.15 | Samsonite | Ag4MnSb2S6 | Mon. 2/m : P21/m |
| 2.GA.20 | Skinnerite | Cu3SbS3 | Mon. 2/m : P21/b |
| 2.GA.20 | Wittichenite | Cu3BiS3 | Orth. 2 2 2 : P21 21 21 |
| 2.GA.25 | Lapieite | NiCuSbS3 | Orth. |
| 2.GA.25 | Mückeite | NiCu(Bi,Sb)S3 | Orth. 2 2 2 : P21 21 21 |
| 2.GA.25 | Malyshevite | PdCuBiS3 | Orth. mmm (2/m 2/m 2/m) : Pmmm |
| 2.GA.25 | Lisiguangite | PtCuBiS3 | Orth. 2 2 2 : P21 21 21 |
| 2.GA.30 | Aktashite | Cu6Hg3As4S12 | Trig. 3 : R3 |
| 2.GA.30 | Gruzdevite | Cu6Hg3Sb4S12 | Trig. |
| 2.GA.35 | Laffittite | AgHgAsS3 | Mon. |
| 2.GA.40 | Routhierite | Tl(Cu,Ag)(Hg,Zn)2(As,Sb)2S6 | Tet. 4 2m : I4 2m |
| 2.GA.40 | Stalderite | Tl(Cu,Ag)(Zn,Fe,Hg)2(As,Sb)2S6 | Tet. |
| 2.GA.45 | Erniggliite | Tl2SnAs2S6 | Trig. |
| 2.GA.50 | Bournonite | PbCuSbS3 | Orth. mm2 : Pmn21 |
| 2.GA.50 | Seligmannite | PbCuAsS3 | Orth. mmm (2/m 2/m 2/m) : Pmmn |
| 2.GA.50 | Součekite | PbCuBi(S,Se)3 | Orth. |
Related Minerals - Dana Grouping (8th Ed.)
| 3.4.13.2 | Aktashite | Cu6Hg3As4S12 | Trig. 3 : R3 |
| 3.4.13.3 | Gruzdevite | Cu6Hg3Sb4S12 | Trig. |
Related Minerals - Hey's Chemical Index of Minerals Grouping
| 5.4.2 | Florensovite | (Cu,Zn)Cr1.5Sb0.5S4 | |
| 5.4.3 | Aktashite | Cu6Hg3As4S12 | Trig. 3 : R3 |
| 5.4.4 | Laffittite | AgHgAsS3 | Mon. |
| 5.4.5 | Galkhaite | (Cs,Tl)(Hg,Cu,Zn)6(As,Sb)4S12 | Iso. 4 3m : I4 3m |
| 5.4.6 | Livingstonite | HgSb4S6(S2) | Mon. 2/m : B2/b |
| 5.4.7 | Gruzdevite | Cu6Hg3Sb4S12 | Trig. |
| 5.4.8 | Tvalchrelidzeite | Hg3SbAsS3 | Mon. 2/m |
| 5.4.9 | Hakite | Cu6[Cu4Hg2]Sb4Se13 | Iso. 4 3m : I4 3m |
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.
References for Nowackiite
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Zeitschrift für Kristallographie: 124: 352-368.
American Mineralogist (1966): 51: 532.
American Mineralogist (1969): 54: 1497-1498.
Nowacki, W. (1982): Isotypy in aktashite Cu6Hg3As4S12 and nowackiite Cu6Zn3As4S12. Soviet Physics - Crystallography 27, 26-27.
Internet Links for Nowackiite
mindat.org URL:
https://www.mindat.org/min-2939.html
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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 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, G., Boni, M., Mondillo, N., Aiello, R., Balassone, G., Arseneau, V. and Soyk, D. (2016): Supergene alteration in the Capricornio Au-Ag epithermal vein system, Antofagasta Region, Chile. Can. Mineral. 54, 681-706. |
Poland | |
| Chmielewski, A., Oszczepalski, S. (2016): Replacement processes of primary mineralization in the uppermost part of the Kupferschiefer series in SW Poland. Mineralogia - Special Papers: 45: 41-42 |
Portugal | |
| Marques de Sá, J. & Leal Gomes, C. (2010): Les mines de cuivre et nickel de Palhal et Telhadela, Albergaria-a-Velha, Aveiro, Portugal. Le Règne Minéral, 92, 36-47. |
Switzerland (TL) | |
| Chimia (1965) 19, 500-501; Roth, P. (2016): Zwillinge seltener Lengenbach-Mineralien. Schweizer Strahler 50(2), 28-29 (in German and French). |
Lengenbach Quarry, Fäld, Binn Valley, Wallis, Switzerland