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

A re-evaluation of stannopalladinite using modern analytical techniques

Mangani-eckermannite, NaNa 2 (Mg 4 Mn 3+ )Si 8 O 22 (OH) 2 , a new amphibole from Tanohata Mine, Iwate Prefecture, Japan

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

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

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

Kalithallite, K 3 Tl 3+ Cl 6 ⋅2H 2 O, a new mineral with trivalent thallium from the Tolbachik volcano, Kamchatka, Russia

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

Kaznakhtite, Ni 6 Co 3+ 2 (CO 3 )(OH) 16 ⋅4H 2 O, a new natural layered double hydroxide, the member of the hydrotalcite supergroup

Gurzhiite, Al(UO 2 )(SO 4 ) 2 F⋅10H 2 O, a new uranyl sulfate mineral with a chain structure from the Bykogorskoe deposit, Northern Caucasus, Russia

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

Sapozhnikovite, Na 8 (Al 6 Si 6 O 24 )(HS) 2 , a new sodalite-group mineral from the Lovozero alkaline massif, Kola Peninsula

Erssonite, CaMg 7 Fe 3+ 2 (OH) 18 (SO 4 ) 2 ⋅12H 2 O, a new hydrotalcite-supergroup mineral from Långban, Sweden

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

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

Chiyokoite, Ca 3 Si(CO 3 )[B(OH) 4 ]O(OH) 5 ·12H 2 O, a new ettringite-group mineral from the Fuka mine, Okayama Prefecture, Japan