... in colour, with a metallic lustre, in association with ‘argentotennantite-(Fe)’ and tiny chalcopyrite grains in quartz gangue. At Lengenbach, it was found as domains of tristetrahedral crystal of tetrahedrite-(Zn), up to 1 mm in size, associated with dolomite. At Zvěstov, it occurs as irregular aggregates...

... with tennantite-(Zn), tetrahedrite-(Zn), argentotennantite-(Zn), acanthite and supergene azurite and malachite. The new mineral occurs as rare relic anhedral grains rimmed by acanthite, up to 100 μm in size. Zvěstovite-(Zn) is grey, Mohs hardness is ca . 3½–4, in agreement with other members of the tetrahedrite...

... as valid species: argentotennantite-(Zn), argentotetrahedrite-(Fe), kenoargentotetrahedrite-(Fe), giraudite-(Zn), goldfieldite, hakite-(Hg), rozhdestvenskayaite-(Zn), tennantite-(Fe), tennantite-(Zn), tetrahedrite-(Fe), and tetrahedrite-(Zn). Furthermore, annivite is formally discredited. Minerals...

...Fig. 8. The chemical composition of Ag-bearing species from the Chisel Lake deposit, showing a strong variability in Ag concentrations, but also a clear continuum between the chemical composition of the species analyzed by electron microprobe. Chalcopyrite and Freibergite-Argentotennantite...

... tetrahedrite group in order to identify correlations between structure and composition. Argentotetrahedrite is the Sb-analogue of argentotennantite. Rozhdestvenskayaite is named for Irina Rodzhdestvenskaya in recognition of her important contributions to mineralogy, and to the crystal chemistry...

... with alabandite, Mn-rich calcite, Mn-rich sphalerite, proustite, pyrite, pyrrhotite, tennantite, argentotennantite, stannite, and other unnamed minerals of the system Pb-Ag-Sb-Mn-As-S. Manganoquadratite is opaque with a metallic luster and possesses a reddish-brown streak. It is brittle, the Vickers microhardness...

... to the end member in which Cu is entirely replaced by Ag. This end member corresponds to the Sb-dominant analogue of argentotennantite. The antipathetic relationships between Ag and As, and between Ag and S, often reported in natural tetrahedrite ss , is not observed. The accommodation of large amounts of Ag...

...., Gibbs, R.B. and Downs, R.T. (2024) Domitrovicite, IMA 2023-125. CNMNC Newsletter 79, Mineralogical Magazine , 88 , https://doi.org/10.1180/mgm.2024.45 IMA No. 2023-126 Argentotennantite-(Fe) Ag 6 (Cu 4 Fe 2 )As 4 S 13 Atnt-Fe San Genaro mine, Castrovirreyna mining district...

... are of stoichiometric composition. Fahlores are minerals of the tennantite–tetrahedrite group and their iron- and silver-bearing varieties. The content of Ag reaches 5 wt.% Ag in Fe-tetrahedrite, 22.76 wt.% in Ag-tetrahedrite, 40.86 wt.% in argentotetrahedrite, and 50.05 wt.% in argentotennantite–tetrahedrite. Fe...

... ), kenoargentotetrahedrite-(Fe) (the former freibergite – Welch et al ., 2018 ; Biagioni et al ., 2020a ) and kenoargentotetrahedrite-(Zn) (Qu et al ., 2021 ). The arsenofreibergite series comprises fewer species, being currently populated only by argentotennantite-(Zn) (Spiridonov et al ., 1986 ; Biagioni et al...

... Ambalabe pegmatite Madagascar yes Ertlite NaAl 3 Al 6 (Si 4 B 2 O 18 )(BO 3 ) 3 (OH) 3 O 2023-086 R 3 m Sahatany Valley Madagascar yes Karlseifertite Pb(Ga 2 Ge)(AsO 4 ) 2 (OH) 6 2024-007 R 3 m Tsumeb Mine Namibia yes Argentotennantite-(Fe) Ag 6 (Cu 4 Fe 2 )As 4 S 13 2023...

... reactions ( Putnis 2009 , and references therein). Currently, there are two ways to group the Cu(Ag)-rich sulfosalts. Back & Mandarino (2008) referred to tennantite-group minerals, which includes tetrahedrite, tennantite, hakite, goldfieldite, giraudite, freibergite and argentotennantite. Möelo...

.... Mills *E-mail: [email protected] The Sb analogue of argentotennantite Cubic: I 4 ¯ 3 m ; structure determined a = 10.6116(1) Å 4.331(6), 3.063(100), 2.652(28), 2.501(8), 2.081(19), 1.937(12), 1.876(35), 1.599(25) Cotype material is deposited in the mineralogical collections...

.... Stanley, John Spratt and Stuart J. Mills *E-mail: [email protected] The Sb analogue of argentotennantite Cubic: I 3 m ; structure determined 4.331(6), 3.063(100), 2.652(28), 2.501(8), 2.081(19), 1.937(12), 1.876(35), 1.599(25) Cotype material is deposited in the mineralogical...

...-balanced ideal formula (Ag 6 ) 4+ (Cu + ) 4 (Fe 2+ ,Zn) 2 Sb 4 S 12 . Argentotetrahedrite named as the Sb-analogue of argentotennantite. The name rozhdestvenskayaite honors Irina V. Rozhdestvenskaya, Department of Crystallography of Saint Petersburg University in recognition of her important contributions...

...-analogue of heazlewoodite, siegenite, carrollite, mckinstryite, jalpaite, chalcocite, tetrahedrite-(Zn), argentotetrahedrite-(Fe), not yet approved ‘argentotennantite-(Fe)’ (IMA2023-126 under voting), hematite, sphalerite, galena, chalcopyrite, pyrite and hisingerite (Litochleb et al. , 2002 ). Škáchaite...

... species: argentotennantite-(Zn), argentotetrahedrite-(Fe), kenoargentotetrahedrite-(Fe), giraudite-(Zn), goldfieldite, hakite-(Hg), rozhdestvenskayaite-(Zn), tennantite-(Fe), tennantite-(Zn), tetrahedrite-(Fe), and tetrahedrite-(Zn). Furthermore, annivite is formally discredited. IMA 19-B...

... belonging to the tetrahedrite group can be considered as valid species: argentotennantite-(Zn), argentotetrahedrite-(Fe), kenoargentotetrahedrite-(Fe), giraudite-(Zn), goldfieldite, hakite-(Hg), rozhdestvenskayaite-(Zn), tennantite-(Fe), tennantite-(Zn), tetrahedrite-(Fe), and tetrahedrite-(Zn). Furthermore...