Eltyubyuite, Ca 12 Fe 3+ 10 Si 4 O 32 Cl 6 – the Fe 3+ analogue of wadalite: a new mineral from the Northern Caucasus, Kabardino-Balkaria, Russia

Crystal chemistry and hydrogen bonding of rustumite Ca 10 (Si 2 O 7 ) 2 (SiO 4 )(OH) 2 Cl 2 with variable OH, Cl, F

Edgrewite Ca 9 (SiO 4 ) 4 F 2 -hydroxyledgrewite Ca 9 (SiO 4 ) 4 (OH) 2 , a new series of calcium humite-group minerals from altered xenoliths in the ignimbrite of Upper Chegem caldera, Northern Caucasus, Kabardino-Balkaria, Russia

Krasheninnikovite, KNa 2 CaMg(SO 4 ) 3 F, a new mineral from the Tolbachik volcano, Kamchatka, Russia

New nickel-uranium-arsenic mineral species from the oxidation zone of the Belorechenskoye deposit, Northern Caucasus, Russia: I. Rauchite, Ni(UO 2 ) 2 (AsO 4 ) 2 ·10H 2 O, a member of the autunite group

New nickel-uranium-arsenic mineral species from the oxidation zone of the Belorechenskoye deposit, Northern Caucasus, Russia: II. Dymkovite, Ni(UO 2 ) 2 (As 3+ O 3 ) 2 ·7H 2 O, a seelite-related arsenite

Pavlovskyite Ca 8 (SiO 4 ) 2 (Si 3 O 10 ): A new mineral of altered silicate-carbonate xenoliths from the two Russian type localities, Birkhin massif, Baikal Lake area and Upper Chegem caldera, North Caucasus

CARLGIESECKEITE-(Nd), NaNdCa 3 (PO 4 ) 3 F, A NEW BELOVITE-GROUP MINERAL SPECIES FROM THE ILÍMAUSSAQ ALKALINE COMPLEX, SOUTH GREENLAND

KOTTENHEIMITE, Ca 3 Si(OH) 6 (SO 4 ) 2 ·12H 2 O, A NEW MEMBER OF THE ETTRINGITE GROUP FROM THE EIFEL AREA, GERMANY

Mejillonesite, a new acid sodium, magnesium phosphate mineral, from Mejillones, Antofagasta, Chile

Lileyite, Ba 2 (Na,Fe,Ca) 3 MgTi 2 (Si 2 O 7 ) 2 O 2 F 2 , a new lamprophyllite-group mineral from the Eifel volcanic area, Germany

Rusinovite, Ca 10 (Si 2 O 7 ) 3 Cl 2 : a new skarn mineral from the Upper Chegem caldera, Kabardino-Balkaria, Northern Caucasus, Russia

Vorlanite (CaU 6+ )O 4 —A new mineral from the Upper Chegem caldera, Kabardino-Balkaria, Northern Caucasus, Russia

Elbrusite-(Zr)—A new uranian garnet from the Upper Chegem caldera, Kabardino-Balkaria, Northern Caucasus, Russia

Toturite Ca 3 Sn 2 Fe 2 SiO 12 —A new mineral species of the garnet group

Bitikleite-(SnAl) and bitikleite-(ZrFe): New garnets from xenoliths of the Upper Chegem volcanic structure, Kabardino-Balkaria, Northern Caucasus, Russia

LECOQITE-(Y), Na 3 Y(CO 3 ) 3 ·6H 2 O, A NEW MINERAL SPECIES FROM MONT SAINT-HILAIRE, QUEBEC, CANADA

Chukanovite, Fe 2 (CO 3 )(OH) 2 , a new mineral from the weathered iron meteorite Dronino

GJERDINGENITE-Na AND GJERDINGENITE-Ca, TWO NEW MINERAL SPECIES OF THE LABUNTSOVITE GROUP

Fluorcalciobritholite, (Ca,REE) 5 [(Si,P)O 4 ] 3 F, a new mineral: description and crystal chemistry