A new mineral cuprodobrovolskyite Na 4 Cu(SO 4 ) 3 from the Tolbachik volcano (Kamchatka, Russia) and relationships in the family of natural anhydrous Na–Cu sulfates

Yakubovichite, CaNi 2 Fe 3+ (PO 4 ) 3 , a new nickel phosphate mineral of non-meteoritic origin

Crocobelonite, Ca Fe 2 3 + (PO 4 ) 2 O, a new oxyphosphate mineral, the product of pyrolytic oxidation of natural phosphides

Alkali Sulfates with Aphthitalite-Like Structures from Fumaroles of the Tolbachik Volcano, Kamchatka, Russia. IV. Aphthitalite–Palmierite Regular Intergrowths: Crystallography, Chemistry, and Genesis

Ryabchikovite, CuMg(Si 2 O 6 ), a new pyroxene group mineral, and some genetic features of natural anhydrous copper silicates

New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. XX. Evseevite, Na 2 Mg(AsO 4 )F, the first natural arsenate with an antiperovskite structure

Bakakinite, Ca 2 V 2 O 7 , a new mineral from fumarolic exhalations of the Tolbachik volcano, Kamchatka, Russia

Betzite, Na 6 Ca 2 (Al 6 Si 6 O 24 )Cl 4 , a New Cancrinite-Group Mineral from the Eifel Paleovolcanic Region, Germany

Selsurtite, (H 3 O) 12 Na 3 (Ca 3 Mn 3 )(Na 2 Fe)Zr 3 □Si[Si 24 O 69 (OH) 3 ](OH)Cl⋅H 2 O, a new eudialyte-group mineral from the Lovozero alkaline massif, Kola Peninsula, Russia

Expanding the speciation of terrestrial molybdenum: Discovery of polekhovskyite, MoNiP 2 , and insights into the sources of Mo-phosphides in the Dead Sea Transform area

Paratobermorite, Ca 4 (Al 0.5 Si 0.5 ) 2 Si 4 O 16 (OH)·2H 2 O·(Ca·3H 2 O), a new tobermorite-supergroup mineral with a novel topological type of the microporous crystal structure

New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. XIX. Axelite, Na 14 Cu 7 (AsO 4 ) 8 F 2 Cl 2

Zaykovite, Rh 3 Se 4 , a new mineral from the Kazan placer, South Urals, Russia

Natural cubic perovskite, Ca(Ti,Si,Cr)O 3–δ , a versatile potential host for rock-forming and less-common elements up to Earth’s mantle pressure

Nazarovite, Ni 12 P 5 , a new terrestrial and meteoritic mineral structurally related to nickelphosphide, Ni 3 P

Columbite supergroup of minerals: nomenclature and classification

New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. XVIII. Khrenovite, Na 3 Fe 3+ 2 (AsO 4 ) 3 , the member with the highest sodium in the alluaudite supergroup

Bolotinaite, ideally (Na 7 □)(Al 6 Si 6 O 24 )F⋅4H 2 O, a new sodalite-group mineral from the Eifel palaeovolcanic region, Germany

Pliniusite, Ca 5 (VO 4 ) 3 F, a new apatite-group mineral and the novel natural ternary solid-solution system pliniusite–svabite–fluorapatite

Calciolangbeinite- O , a natural orthorhombic modification of K 2 Ca 2 (SO 4 ) 3 , and the langbeinite–calciolangbeinite solid-solution system