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.
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/ejm-37-319-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
21 May 2025
Research article |
| 21 May 2025
| 21 May 2025
Ginelfite, Ag2(Ag0.5Fe0.5)TlPb24.5(Sb,As)32.5S75.5, a new boxwork sulfosalt from Jas Roux, France: occurrence and crystal structure
Cristian Biagioni
CORRESPONDING AUTHOR
Dipartimento di Scienze della Terra, Università di Pisa, Via Santa Maria, 53, 56126 Pisa, Italy
Centro per l'Integrazione della Strumentazione Scientifica dell'Università di Pisa (CISUP), Università di Pisa, 56126 Pisa, Italy
Jiří Sejkora
Department of Mineralogy and Petrology, National Museum, Cirkusová 1740, 193 00, Prague 9, Czech Republic
Yves Moëlo
Nantes University, CNRS, Institut des Matériaux Jean Rouxel, IMN, 44000 Nantes, France
Georges Favreau
current address: 421 Avenue Jean Monnet, 13090 Aix-en-Provence, France
Vincent Bourgoin
current address: 32 Avenue Ernest Renan, 95210 Saint-Gratien, France
Jean-Claude Boulliard
Collection des Minéraux de Jussieu, IMPMC, Université Pierre et Marie Curie, Case courrier 73, 4 Place Jussieu, 75252 Paris CEDEX 05, France
Elena Bonaccorsi
Dipartimento di Scienze della Terra, Università di Pisa, Via Santa Maria, 53, 56126 Pisa, Italy
Centro per l'Integrazione della Strumentazione Scientifica dell'Università di Pisa (CISUP), Università di Pisa, 56126 Pisa, Italy
Daniela Mauro
Dipartimento di Scienze della Terra, Università di Pisa, Via Santa Maria, 53, 56126 Pisa, Italy
Museo di Storia Naturale, Università di Pisa, Via Roma 79, 56011 Calci, Italy
Silvia Musetti
Dipartimento di Scienze della Terra, Università di Pisa, Via Santa Maria, 53, 56126 Pisa, Italy
Marco Pasero
Dipartimento di Scienze della Terra, Università di Pisa, Via Santa Maria, 53, 56126 Pisa, Italy
Centro per l'Integrazione della Strumentazione Scientifica dell'Università di Pisa (CISUP), Università di Pisa, 56126 Pisa, Italy
Natale Perchiazzi
Dipartimento di Scienze della Terra, Università di Pisa, Via Santa Maria, 53, 56126 Pisa, Italy
Centro per l'Integrazione della Strumentazione Scientifica dell'Università di Pisa (CISUP), Università di Pisa, 56126 Pisa, Italy
Jana Ulmanová
Department of Mineralogy and Petrology, National Museum, Cirkusová 1740, 193 00, Prague 9, Czech Republic
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Dutrowite is the first tourmaline supergroup minerals having Ti as a species-defining chemical constituent. Its finding improves our knowledge on the crystal chemistry of this important mineral group and allows us to achieve a better picture of the mechanisms favouring the incorporation of Ti.
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Ferdinando Bosi, Frédéric Hatert, Marco Pasero, and Stuart J. Mills
Eur. J. Mineral., 37, 337–342, https://doi.org/10.5194/ejm-37-337-2025, https://doi.org/10.5194/ejm-37-337-2025, 2025
Ferdinando Bosi, Frédéric Hatert, Marco Pasero, and Stuart J. Mills
Eur. J. Mineral., 37, 249–255, https://doi.org/10.5194/ejm-37-249-2025, https://doi.org/10.5194/ejm-37-249-2025, 2025
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Eur. J. Mineral., 37, 75–78, https://doi.org/10.5194/ejm-37-75-2025, https://doi.org/10.5194/ejm-37-75-2025, 2025
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Eur. J. Mineral., 37, 39–52, https://doi.org/10.5194/ejm-37-39-2025, https://doi.org/10.5194/ejm-37-39-2025, 2025
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Dacostaite is a new fluoride–arsenate mineral found in the Sb(Au) deposit of the Cetine di Cotorniano Mine (Tuscany, Italy). It shows a novel crystal structure formed by heteropolyhedral layers and isolated Mg(H2O)6 groups connected by H bonds. The heteropolyhedral layers are similar to those occurring in alunite-supergroup minerals, and this is a further example of the ability of nature to use similar modules in forming the large number of currently known structural arrangements.
Cristian Biagioni, Enrico Mugnaioli, Sofia Lorenzon, Daniela Mauro, Silvia Musetti, Jiří Sejkora, Donato Belmonte, Nicola Demitri, and Zdeněk Dolníček
Eur. J. Mineral., 36, 1011–1022, https://doi.org/10.5194/ejm-36-1011-2024, https://doi.org/10.5194/ejm-36-1011-2024, 2024
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Nannoniite, Al2(OH)5F, is a new mineral species discovered in the Cetine di Cotorniano mine (Tuscany, Italy). Its description was possible through a multi-technique approach, and its crystal structure was solved through three-dimensional electron diffraction, revealing close relations with gibbsite. The partial replacement of (OH) by F induces subtle by detectable structural changes. This study reveals that Al hydroxides could be a source of F in geological environments.
Ferdinando Bosi, Frédéric Hatert, Marco Pasero, and Stuart J. Mills
Eur. J. Mineral., 36, 1005–1010, https://doi.org/10.5194/ejm-36-1005-2024, https://doi.org/10.5194/ejm-36-1005-2024, 2024
Ferdinando Bosi, Frédéric Hatert, Marco Pasero, and Stuart J. Mills
Eur. J. Mineral., 36, 917–923, https://doi.org/10.5194/ejm-36-917-2024, https://doi.org/10.5194/ejm-36-917-2024, 2024
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A new sulfosalt mineral species, lazerckerite, Ag3.7Pb4.6(Sb7.9Bi3.8)Σ11.7S24, has been found, identified, structurally solved, and approved by the IMA. The mineral belongs to the Sb–Bi mixed members of the andorite branch of the lillianite homologous series. The description and characterization of the mineral are presented, and the ways of distinguishing the mineral from other similar members of the group on the basis of chemical results are explained.
Ferdinando Bosi, Frédéric Hatert, Marco Pasero, and Stuart J. Mills
Eur. J. Mineral., 36, 599–604, https://doi.org/10.5194/ejm-36-599-2024, https://doi.org/10.5194/ejm-36-599-2024, 2024
Cristian Biagioni, Anatoly V. Kasatkin, Fabrizio Nestola, Radek Škoda, Vladislav V. Gurzhiy, Atali A. Agakhanov, and Natalia N. Koshlyakova
Eur. J. Mineral., 36, 529–540, https://doi.org/10.5194/ejm-36-529-2024, https://doi.org/10.5194/ejm-36-529-2024, 2024
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Zvěstovite-(Fe) is a new, Ag-rich, member of the tetrahedrite group, the most widespread sulfosalts in ore deposits. Its discovery stresses the chemical variability of this mineral group, allowing for a better understanding of the structural plasticity of these compounds, which are able to host a plethora of different elements typical of hydrothermal environments.
Ferdinando Bosi, Frédéric Hatert, Marco Pasero, and Stuart J. Mills
Eur. J. Mineral., 36, 525–528, https://doi.org/10.5194/ejm-36-525-2024, https://doi.org/10.5194/ejm-36-525-2024, 2024
Ferdinando Bosi, Frédéric Hatert, Marco Pasero, and Stuart J. Mills
Eur. J. Mineral., 36, 361–367, https://doi.org/10.5194/ejm-36-361-2024, https://doi.org/10.5194/ejm-36-361-2024, 2024
Ferdinando Bosi, Frédéric Hatert, Marco Pasero, and Stuart J. Mills
Eur. J. Mineral., 36, 165–172, https://doi.org/10.5194/ejm-36-165-2024, https://doi.org/10.5194/ejm-36-165-2024, 2024
Jonas Toupal, Daniela Mauro, Cristian Biagioni, Federica Zaccarini, and Reto Gieré
Eur. J. Mineral., 36, 1–10, https://doi.org/10.5194/ejm-36-1-2024, https://doi.org/10.5194/ejm-36-1-2024, 2024
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In this work, we refine the crystal structure of childrenite. Additionally, we provide compositional data to substantially extend the published solid-solution series between childrenite and eosphorite, the Fe and Mn endmembers, respectively. We analyze the valence state of iron to avoid erroneous classification of ernstite or potential discovery of "oxychildrenite", a mineral species not yet confirmed to be stable in nature.
Ferdinando Bosi, Frédéric Hatert, Marco Pasero, and Stuart J. Mills
Eur. J. Mineral., 35, 1073–1078, https://doi.org/10.5194/ejm-35-1073-2023, https://doi.org/10.5194/ejm-35-1073-2023, 2023
Jiří Sejkora, Cristian Biagioni, Pavel Škácha, Silvia Musetti, Anatoly V. Kasatkin, and Fabrizio Nestola
Eur. J. Mineral., 35, 897–907, https://doi.org/10.5194/ejm-35-897-2023, https://doi.org/10.5194/ejm-35-897-2023, 2023
Short summary
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We present the description of new mineral – a Cd-dominant member of the tetrahedrite group, tetrahedrite-(Cd), from the Radětice deposit near Příbram, Czech Republic. All necessary data including crystal structure were successfully determined, and the mineral and its name have been approved by the Commission on New Minerals, Nomenclature and Classification of the International Mineralogical Association (number 2022-115).
Ferdinando Bosi, Frédéric Hatert, Marco Pasero, and Stuart J. Mills
Eur. J. Mineral., 35, 891–895, https://doi.org/10.5194/ejm-35-891-2023, https://doi.org/10.5194/ejm-35-891-2023, 2023
Daniela Mauro, Cristian Biagioni, Jiří Sejkora, Zdeněk Dolníček, and Radek Škoda
Eur. J. Mineral., 35, 703–714, https://doi.org/10.5194/ejm-35-703-2023, https://doi.org/10.5194/ejm-35-703-2023, 2023
Short summary
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Batoniite is a new mineral species belonging to the Al2O3–SO3–H2O ternary system, first found in the Cetine di Cotorniano Mine (Tuscany, Italy). This hydrated Al sulfate shows a novel crystal structure, characterized by Al octamers, so far reported in only synthetic compounds.
Ferdinando Bosi, Frédéric Hatert, Marco Pasero, and Stuart J. Mills
Eur. J. Mineral., 35, 659–664, https://doi.org/10.5194/ejm-35-659-2023, https://doi.org/10.5194/ejm-35-659-2023, 2023
Ferdinando Bosi, Frédéric Hatert, Marco Pasero, and Stuart J. Mills
Eur. J. Mineral., 35, 397–402, https://doi.org/10.5194/ejm-35-397-2023, https://doi.org/10.5194/ejm-35-397-2023, 2023
Yves Moëlo
Eur. J. Mineral., 35, 333–346, https://doi.org/10.5194/ejm-35-333-2023, https://doi.org/10.5194/ejm-35-333-2023, 2023
Short summary
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Pyrite crystals with rhombohedral morphology have been known for a long time and were considered up to now as curiosities. The morphological study of well-crystallized, centimeter-sized crystals, often twinned, from the Madan Pb–Zn ore field permitted us to define such a pyrite variety as a pseudo-cubic trigonal derivative of pyrite.
Ferdinando Bosi, Frédéric Hatert, Marco Pasero, and Stuart J. Mills
Eur. J. Mineral., 35, 285–293, https://doi.org/10.5194/ejm-35-285-2023, https://doi.org/10.5194/ejm-35-285-2023, 2023
Cristian Biagioni, Ferdinando Bosi, Daniela Mauro, Henrik Skogby, Andrea Dini, and Federica Zaccarini
Eur. J. Mineral., 35, 81–94, https://doi.org/10.5194/ejm-35-81-2023, https://doi.org/10.5194/ejm-35-81-2023, 2023
Short summary
Short summary
Dutrowite is the first tourmaline supergroup minerals having Ti as a species-defining chemical constituent. Its finding improves our knowledge on the crystal chemistry of this important mineral group and allows us to achieve a better picture of the mechanisms favouring the incorporation of Ti.
Ferdinando Bosi, Ritsuro Miyawaki, Frédéric Hatert, Marco Pasero, and Stuart J. Mills
Eur. J. Mineral., 35, 75–79, https://doi.org/10.5194/ejm-35-75-2023, https://doi.org/10.5194/ejm-35-75-2023, 2023
Ritsuro Miyawaki, Frédéric Hatert, Marco Pasero, and Stuart J. Mills
Eur. J. Mineral., 34, 591–601, https://doi.org/10.5194/ejm-34-591-2022, https://doi.org/10.5194/ejm-34-591-2022, 2022
Ritsuro Miyawaki, Frédéric Hatert, Marco Pasero, and Stuart J. Mills
Eur. J. Mineral., 34, 463–468, https://doi.org/10.5194/ejm-34-463-2022, https://doi.org/10.5194/ejm-34-463-2022, 2022
Ritsuro Miyawaki, Frédéric Hatert, Marco Pasero, and Stuart J. Mills
Eur. J. Mineral., 34, 385–391, https://doi.org/10.5194/ejm-34-385-2022, https://doi.org/10.5194/ejm-34-385-2022, 2022
Cristian Biagioni, Marco E. Ciriotti, Georges Favreau, Daniela Mauro, and Federica Zaccarini
Eur. J. Mineral., 34, 365–374, https://doi.org/10.5194/ejm-34-365-2022, https://doi.org/10.5194/ejm-34-365-2022, 2022
Short summary
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The paper reports the type description of the new mineral species graulichite-(La). This is a new addition to the dussertite group within the alunite supergroup, and its discovery improves our knowledge on the crystal chemistry of this important supergroup of minerals, having both technological and environmental applications.
Ritsuro Miyawaki, Frédéric Hatert, Marco Pasero, and Stuart J. Mills
Eur. J. Mineral., 34, 359–364, https://doi.org/10.5194/ejm-34-359-2022, https://doi.org/10.5194/ejm-34-359-2022, 2022
Ritsuro Miyawaki, Frédéric Hatert, Marco Pasero, and Stuart J. Mills
Eur. J. Mineral., 34, 253–257, https://doi.org/10.5194/ejm-34-253-2022, https://doi.org/10.5194/ejm-34-253-2022, 2022
Luboš Vrtiška, Jaromír Tvrdý, Jakub Plášil, Jiří Sejkora, Radek Škoda, Nikita V. Chukanov, Andreas Massanek, Jan Filip, Zdeněk Dolníček, and František Veselovský
Eur. J. Mineral., 34, 223–238, https://doi.org/10.5194/ejm-34-223-2022, https://doi.org/10.5194/ejm-34-223-2022, 2022
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The study of the original material of beraunite from the type locality Hrbek, Czech Rep., from collections of the TU Bergakademie Freiberg (Germany) and National Museum Prague (Czech Republic) proved the identity of the minerals beraunite and eleonorite. Because the name beraunite has priority, we consider the name eleonorite to be redundant and proposed to abolish it. The proposal 21-D approved by the IMA discredited eleonorite and accepted the formula of beraunite Fe3+6(PO4)4O(OH)4·6H2O.
Ritsuro Miyawaki, Frédéric Hatert, Marco Pasero, and Stuart J. Mills
Eur. J. Mineral., 34, 143–148, https://doi.org/10.5194/ejm-34-143-2022, https://doi.org/10.5194/ejm-34-143-2022, 2022
Ritsuro Miyawaki, Frédéric Hatert, Marco Pasero, and Stuart J. Mills
Eur. J. Mineral., 34, 1–6, https://doi.org/10.5194/ejm-34-1-2022, https://doi.org/10.5194/ejm-34-1-2022, 2022
Daniela Mauro, Cristian Biagioni, and Federica Zaccarini
Eur. J. Mineral., 33, 717–726, https://doi.org/10.5194/ejm-33-717-2021, https://doi.org/10.5194/ejm-33-717-2021, 2021
Short summary
Short summary
This work reports the full crystal-chemical characterization of gersdorffite from Contrada Zillì (Peloritani Mountains, Sicily, Italy). The structural type shown by gersdorffite (ordered polytype 213) and its chemistry agree with low-temperature crystallization conditions. Moreover, the chemical zoning of the studied crystals recorded changes in the crystallization physicochemical conditions. This zoning may be due to a multistage crystallization, related to the evolution of the ore deposits.
Ritsuro Miyawaki, Frédéric Hatert, Marco Pasero, and Stuart J. Mills
Eur. J. Mineral., 33, 639–646, https://doi.org/10.5194/ejm-33-639-2021, https://doi.org/10.5194/ejm-33-639-2021, 2021
Ritsuro Miyawaki, Frédéric Hatert, Marco Pasero, and Stuart J. Mills
Eur. J. Mineral., 33, 479–484, https://doi.org/10.5194/ejm-33-479-2021, https://doi.org/10.5194/ejm-33-479-2021, 2021
Ritsuro Miyawaki, Frédéric Hatert, Marco Pasero, and Stuart J. Mills
Eur. J. Mineral., 33, 299–304, https://doi.org/10.5194/ejm-33-299-2021, https://doi.org/10.5194/ejm-33-299-2021, 2021
Ritsuro Miyawaki, Frédéric Hatert, Marco Pasero, and Stuart J. Mills
Eur. J. Mineral., 33, 203–208, https://doi.org/10.5194/ejm-33-203-2021, https://doi.org/10.5194/ejm-33-203-2021, 2021
Pavel Škácha, Jiří Sejkora, Jakub Plášil, Zdeněk Dolníček, and Jana Ulmanová
Eur. J. Mineral., 33, 175–187, https://doi.org/10.5194/ejm-33-175-2021, https://doi.org/10.5194/ejm-33-175-2021, 2021
Short summary
Short summary
Grimmite, sulfide of cobalt and nickel, is the new mineral for the mineralogical system.
Ritsuro Miyawaki, Frédéric Hatert, Marco Pasero, and Stuart J. Mills
Eur. J. Mineral., 33, 139–143, https://doi.org/10.5194/ejm-33-139-2021, https://doi.org/10.5194/ejm-33-139-2021, 2021
Ritsuro Miyawaki, Frédéric Hatert, Marco Pasero, and Stuart J. Mills
Eur. J. Mineral., 32, 645–651, https://doi.org/10.5194/ejm-32-645-2020, https://doi.org/10.5194/ejm-32-645-2020, 2020
Stuart J. Mills, Uwe Kolitsch, Georges Favreau, William D. Birch, Valérie Galea-Clolus, and Johannes Markus Henrich
Eur. J. Mineral., 32, 637–644, https://doi.org/10.5194/ejm-32-637-2020, https://doi.org/10.5194/ejm-32-637-2020, 2020
Yves Moëlo and Cristian Biagioni
Eur. J. Mineral., 32, 623–635, https://doi.org/10.5194/ejm-32-623-2020, https://doi.org/10.5194/ejm-32-623-2020, 2020
Short summary
Short summary
The plagionite group is a family of complex sulfides (
lead-antimony sulfosalts) encountered in various Pb-Cu-Zn ore deposits. Analysis of these crystal structures confirms a systematic Pb-versus-Sb substitution in two adjacent cation positions. Such a substitution varies according not only to the Pb / Sb ratio of each member but also, apparently, to the kinetics of crystallization. Re-examination of a Pb-free synthetic derivative permitted its redefinition as a Na-Sb sulfosalt.
Ritsuro Miyawaki, Frédéric Hatert, Marco Pasero, and Stuart J. Mills
Eur. J. Mineral., 32, 495–499, https://doi.org/10.5194/ejm-32-495-2020, https://doi.org/10.5194/ejm-32-495-2020, 2020
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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.
Ginelfite is a new Ag–Fe–Tl–Pb sulfosalt described from the hydrothermal deposit of Jas Roux...
