Gungerite, TlAs 5 Sb 4 S 13 , a new thallium sulfosalt with a complex structure containing covalent As-As bonds

Reznitskyite, CaMg(VO 4 )F, a new mineral from the Tolbachik volcano, Kamchatka, Russia and the first vanadate with a titanite-type structure

New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. XVII. Paraberzeliite, NaCaCaMg 2 (AsO 4 ) 3 , an alluaudite-group member dimorphous with berzeliite

The mineralogy of the historical Mochalin Log REE deposit, South Urals, Russia. Part IV. Alexkuznetsovite-(La), La 2 Mn(CO 3 )(Si 2 O 7 ), alexkuznetsovite-(Ce), Ce 2 Mn(CO 3 )(Si 2 O 7 ) and biraite-(La), La 2 Fe 2+ (CO 3 )(Si 2 O 7 ), three new isostructural minerals and a definition of the biraite group

Oberwolfachite, SrFe 3+ 3 (AsO 4 )(SO 4 )(OH) 6 , a new alunite-supergroup mineral from the Clara mine, Schwarzwald, Germany and Monterniers mine, Rhône, France

From Structure Topology to Chemical Composition. XXIX. Revision of the Crystal Structure of Perraultite, NaBaMn 4 Ti 2 (Si 2 O 7 ) 2 O 2 (OH) 2 F, a Seidozerite-Supergroup TS-Block Mineral from the Oktyabr'skii Massif, Ukraine, and Discreditation of Surkhobite

New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. XVI. Yurgensonite, K 2 SnTiO 2 (AsO 4 ) 2 , the first natural tin arsenate, and the katiarsite–yurgensonite isomorphous series

Cesiokenopyrochlore, the First Natural Niobate with an Inverse Pyrochlore Structure

Kufahrite, PtPb, a new mineral from Ledyanoy Creek placer, Galmoenan ultramafic complex, Koryak Highlands, Russia

New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. XV. Calciojohillerite, NaCaMgMg 2 (AsO 4 ) 3 , a member of the alluaudite group

Ferroefremovite, (NH 4 ) 2 Fe 2+ 2 (SO 4 ) 3 , a new mineral from Solfatara di Pozzuoli, Campania, Italy

Chukotkaite, AgPb 7 Sb 5 S 15 , a new sulfosalt mineral from Eastern Chukotka, Russia

Hingganite-(Nd), Nd 2 □Be 2 Si 2 O 8 (OH) 2 , a new gadolinite-supergroup mineral from Zagi Mountain, Pakistan

Eleomelanite, (K 2 Pb)Cu 4 O 2 (SO 4 ) 4 , a new mineral species from the Tolbachik Volcano, Kamchatka, Russia

Bojarite, Cu 3 (N 3 C 2 H 2 ) 3 (OH)Cl 2 ⋅6H 2 O, a new mineral species with a microporous metal–organic framework from the guano deposit at Pabellón de Pica, Iquique Province, Chile

The mineralogy of the historical Mochalin Log REE deposit, South Urals, Russia. Part III. Percleveite-(La), La 2 Si 2 O 7 , a new REE disilicate mineral

The mineralogy of the historical Mochalin Log REE deposit, South Urals, Russia. Part II. Radekškodaite-(La), (CaLa 5 )(Al 4 Fe 2+ )[Si 2 O 7 ][SiO 4 ] 5 O(OH) 3 and radekškodaite-(Ce), (CaCe 5 )(Al 4 Fe 2+ )[Si 2 O 7 ][SiO 4 ] 5 O(OH) 3 , two new minerals with a novel structure-type belonging to the epidote–törnebohmite polysomatic series

Luboržákite, Mn 2 AsSbS 5 , a new member of pavonite homologous series from Vorontsovskoe gold deposit, Northern Urals, Russia

New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. XIV. Badalovite, NaNaMg(MgFe 3+ )(AsO 4 ) 3 , a member of the alluaudite group

The mineralogy of the historical Mochalin Log REE deposit, South Urals, Russia. Part I. New gatelite-group minerals ferriperbøeite-(La), (CaLa 3 )(Fe 3+ Al 2 Fe 2+ )[Si 2 O 7 ][SiO 4 ] 3 O(OH) 2 and perbøeite-(La), (CaLa 3 )(Al 3 Fe 2+ )[Si 2 O 7 ][SiO 4 ] 3 O(OH) 2