Skip to main content Accessibility help
×
Home
Hostname: page-component-5d6d958fb5-mt5cb Total loading time: 0.233 Render date: 2022-11-27T06:48:21.505Z Has data issue: true Feature Flags: { "shouldUseShareProductTool": true, "shouldUseHypothesis": true, "isUnsiloEnabled": true, "useRatesEcommerce": false, "displayNetworkTab": true, "displayNetworkMapGraph": false, "useSa": true } hasContentIssue true

The crystal structure of veenite

Published online by Cambridge University Press:  02 January 2018

Dan Topa*
Affiliation:
Natural History Museum Vienna, Burgring 7, 1010 Vienna, Austria
Emil Makovicky
Affiliation:
Institute for Geoscience and Mineral Resources Management, University of Copenhagen, Østervoldgade 10, DK-1350, Copenhagen K, Denmark

Abstract

The crystal structure of veenite is reported for the first time from a sample from the type locality of Madoc (Ontario, Canada). It has been solved and refined by X-ray single-crystal diffraction on the basis of 4973 observed reflections (with Fo > 4σ(Fo)) with a final R1 = 0.0396. Veenite is monoclinic P21, with unit-cell parameters a = 8.429(2), b = 26.069(5), c = 8.962(2) Å, β = 117.447(2)o. The bulk veenite composition is Ag0.15Pb16.029Sb8.836As6.99S39.95 (for Z = 1) corresponding to N = 4.09 (Me8NS8N + 8, theoretical value is 4.0), with the percentage of the Ag-(As,Sb) substituted end-member only equal to 3.51 mol.%, i.e., a nearly pure Pb-Sb-As sulfosalt. The crystal structure is typical for the N = 4 sartorite homologue, with zig-zag walls of trigonal coordination prisms of Pb which separate slabs of diagonally oriented double-layers populated by Sb and As with partial Pb substitution. Orientation of three-membered crankshaft chains formed by strong (As,Sb) – S bonds on the two surfaces of double-layers differs substantially from that in dufrénoysite, which is a pure Pb-As (N = 4) sulfosalt.

Type
Research Article
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 2017

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Biagioni, C., Orlandi, P., Moëlo, Y and Bindi, L. (2014) Lead-antimony sulfosalts from Tuscany, (Italy). XVI. Carducciite, (AgSb)Pb6(As,Sb)8S20, a new Sb-rich isotype of rathite from the Pollone mine,Valdicastello Carducci: occurrence and crystal structure. MineralogicalMagazine, 78, 17751793.Google Scholar
Berlepsch, P., Makovicky, E. and Balic-Zunic, T. (2001) Crystal chemistry of sartorite homologues and related sulfosalts. Neues Jahrbuch für Mineralogie, Abhandlungen, 176, 4566.CrossRefGoogle Scholar
Berlepsch, P., Armbruster, T. and Topa, D. (2002) Structural and chemical variations in rathite, Pb8Pb4_x (Tl2As2)x(Ag2As2)As16S40: modulations of a parent structure. Zeitschrift für Kristallographie, 217, 581590.Google Scholar
Bruker AXS (1997) SHELXTL, Version 5.1. Bruker AXS, Inc., Madison, WI 53719, USA.Google Scholar
Bruker AXS (1998a) SMART, Version 5.0. Bruker AXS, Inc., Madison, WI 53719, USA.Google Scholar
Bruker AXS (1998b) SAINT, Version 5.0. Bruker AXS, Inc., Madison, WI 53719, USA.Google Scholar
Jambor, J.L. (1967) New lead sulfantimonides from Madoc, Ontario-Part 1. Canadian Mineralogist, 9, 724.Google Scholar
Jambor, J.L., Laflamme, J.H.G. and Walker, D.A. (1982) A re-examination of the Madoc sulfosalts. Mineral Record, 13, 93100.Google Scholar
Kraus, W and Nolze, G. (1999) Powder Cellfor Windows, V2. 3-Federal Institute for Material Research and Testing, Berlin, Germany.Google Scholar
Makovicky, E. and Topa, D. (2013) The crystal structure of barikaite. Mineralogical Magazine, 77, 30933104.CrossRefGoogle Scholar
Makovicky, E. and Topa, D. (2015) Crystal chemical formula for sartorite homologues. Mineralogical Magazine, 79, 2531.CrossRefGoogle Scholar
Ribar, B., Nicca, C. and Nowacki, W (1969) Dreidimensionale Verfeinerung der Kristallstruktur von Dufrénoysit, Pb8As8S20 . Zeitschrift für Kristallographie, 130, 1540.CrossRefGoogle Scholar
Sheldrick, G.M. (2008) A short history of SHELX. Acta Crystallographica, A64, 112122.CrossRefGoogle Scholar
Topa, D., Makovicky, E., Tajeddin, H., Putz, H. and Zagler, G. (2013) Barikaite, Ag3Pb10(Sb8As11)Σ19S40, a new member of the sartorite homologous series. Mineralogical Magazine, 77, 30393046.CrossRefGoogle Scholar
Topa, D., Keutsch, F.N., Makovicky, E., Kolitsch, U. and Paar, W (2017) Polloneite, a new complex Pb(Ag)-As-Sb sulfosalt from the Pollone mine, Apuan alps, Tuscany, Italy. Mineralogical Magazine, https://doi.org/10.1180/minmag.2017.081.003.Google Scholar
Supplementary material: File

Topa and Makovicky supplementary material

Structure factors

Download Topa and Makovicky supplementary material(File)
File 254 KB
Supplementary material: File

Topa and Makovicky supplementary material

CIF

Download Topa and Makovicky supplementary material(File)
File 104 KB
5
Cited by

Save article to Kindle

To save this article to your Kindle, first ensure coreplatform@cambridge.org is added to your Approved Personal Document E-mail List under your Personal Document Settings on the Manage Your Content and Devices page of your Amazon account. Then enter the ‘name’ part of your Kindle email address below. Find out more about saving to your Kindle.

Note you can select to save to either the @free.kindle.com or @kindle.com variations. ‘@free.kindle.com’ emails are free but can only be saved to your device when it is connected to wi-fi. ‘@kindle.com’ emails can be delivered even when you are not connected to wi-fi, but note that service fees apply.

Find out more about the Kindle Personal Document Service.

The crystal structure of veenite
Available formats
×

Save article to Dropbox

To save this article to your Dropbox account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you used this feature, you will be asked to authorise Cambridge Core to connect with your Dropbox account. Find out more about saving content to Dropbox.

The crystal structure of veenite
Available formats
×

Save article to Google Drive

To save this article to your Google Drive account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you used this feature, you will be asked to authorise Cambridge Core to connect with your Google Drive account. Find out more about saving content to Google Drive.

The crystal structure of veenite
Available formats
×
×

Reply to: Submit a response

Please enter your response.

Your details

Please enter a valid email address.

Conflicting interests

Do you have any conflicting interests? *