Ginelfite, Ag2(Ag0.5Fe0.5)TlPb24.5(Sb,As)32.5S75.5, a new boxwork sulfosalt from Jas Roux, France: occurrence and crystal structure

Biagioni, Cristian; Sejkora, Jiří; Moëlo, Yves; Favreau, Georges; Bourgoin, Vincent; Boulliard, Jean-Claude; Bonaccorsi, Elena; Mauro, Daniela; Musetti, Silvia; Pasero, Marco; Perchiazzi, Natale; Ulmanová, Jana

doi:https://doi.org/10.5194/ejm-37-319-2025

Articles | Volume 37, issue 3

https://doi.org/10.5194/ejm-37-319-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

Celebrating the outstanding contribution of Paola Bonazzi...

https://doi.org/10.5194/ejm-37-319-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 37, issue 3

Research article

|

21 May 2025

Research article |

| 21 May 2025

Ginelfite, Ag₂(Ag_0.5Fe_0.5)TlPb_24.5(Sb,As)_32.5S_75.5, a new boxwork sulfosalt from Jas Roux, France: occurrence and crystal structure

Cristian Biagioni, Jiří Sejkora, Yves Moëlo, Georges Favreau, Vincent Bourgoin, Jean-Claude Boulliard, Elena Bonaccorsi, Daniela Mauro, Silvia Musetti, Marco Pasero, Natale Perchiazzi, and Jana Ulmanová

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Latest update: 21 May 2025

Short summary

Ginelfite is a new Ag–Fe–Tl–Pb sulfosalt described from the hydrothermal deposit of Jas Roux (France). It belongs to the so-called boxwork sulfosalts, a group of species showing the highest structural complexity among this group of chalcogenides. This very complex structure is probably stabilized by the occurrence of minor chemical constituents (Tl, Fe) occupying specific structural positions.