The new mineral zolotarevite, Na 5 Zr[Si 6 O 15 (ОН) 3 ]⋅2–3H 2 O, the first highly hydrated lovozerite-group member from the Lovozero alkaline massif, Kola Peninsula, Russia

Crystal chemistry of ivanyukite-group minerals, A 3– x H 1+ x [Ti 4 O 4 (SiO 4 ) 3 ](H 2 O) n ( A = Na, K, Cu), ( n = 6–9, x = 0–2): crystal structures, ion-exchange, chemical evolution

Hydroxynatropyrochlore, (Na,Сa,Ce) 2 Nb 2 O 6 (OH), a new member of the pyrochlore group from the Kovdor phoscorite–carbonatite pipe, Kola Peninsula, Russia

Selivanovaite, NaTi 3 (Ti,Na,Fe,Mn) 4 [(Si 2 O 7 ) 2 O 4 (OH,H 2 O) 4 ]· n H 2 O, a new rock-forming mineral from the eudialyte-rich malignite of the Lovozero alkaline massif (Kola Peninsula, Russia)

Crystal chemistry of natural layered double hydroxides: 4. Crystal structures and evolution of structural complexity of quintinite polytypes from the Kovdor alkaline-ultrabasic massif, Kola peninsula, Russia

Eliseevite, Na 1.5 Li[Ti 2 Si 4 O 12.5 (OH) 1.5 ]·2H 2 O, a new microporous titanosilicate from the Lovozero alkaline massif (Kola Peninsula, Russia)

ELLINGSENITE, Na 5 Ca 6 Si 18 O 38 (OH) 13 ·6H 2 O, A NEW MARTINITE-RELATED MINERAL SPECIES FROM PHONOLITE OF THE ARIS ALKALINE COMPLEX, NAMIBIA

STRONTIOFLUORITE, SrF 2 , A NEW MINERAL SPECIES FROM THE KHIBINY MASSIF, KOLA PENINSULA, RUSSIA

Polezhaevaite-(Ce), NaSrCeF 6 , a new mineral from the Khibiny massif (Kola Peninsula, Russia)

PUNKARUAIVITE, LiTi 2 [Si 4 O 11 (OH)](OH) 2 ·H 2 O, A NEW MINERAL SPECIES FROM HYDROTHERMAL ASSEMBLAGES, KHIBINY AND LOVOZERO ALKALINE MASSIFS, KOLA PENINSULA, RUSSIA

Crystal chemistry and nomenclature of the lovozerite group

Ivanyukite-Na- T , ivanyukite-Na- C , ivanyukite-K, and ivanyukite-Cu: New microporous titanosilicates from the Khibiny massif (Kola Peninsula, Russia) and crystal structure of ivanyukite-Na- T

Yakovenchukite-(Y), K 3 NaCaY 2 (Si 12 O 30 )(H 2 O) 4 , a new mineral from the Khibiny massif, Kola Peninsula, Russia: A novel type of octahedral-tetrahedral open-framework structure

THE CRYSTAL STRUCTURE OF NACAPHITE, Na 2 Ca(PO 4 )F: A RE-INVESTIGATION

KRIVOVICHEVITE, Pb 3 [Al(OH) 6 ](SO 4 )(OH), A NEW MINERAL SPECIES FROM THE LOVOZERO ALKALINE MASSIF, KOLA PENINSULA, RUSSIA

Armbrusterite, K 5 Na 6 Mn 3+ Mn 14 2+ [Si 9 O 22 ] 4 (OH) 10 ·4H 2 O, a new Mn hydrous heterophyllosilicate from the Khibiny alkaline massif, Kola Peninsula, Russia

Chivruaiite, Ca 4 (Ti,Nb) 5 [(Si 6 O 17 ) 2 [(OH,O) 5 ]·13–14H 2 O, a new mineral from hydrothermal veins of Khibiny and Lovozero alkaline massifs

Synchrotron X-ray diffraction study of the structure of shafranovskite, K 2 Na 3 (Mn,Fe,Na) 4 [Si 9 (O,OH) 27 ](OH) 2 · n H 2 O, a rare manganese phyllosilicate from the Kola peninsula, Russia

Crystal structures of lamprophyllite-2M and lamprophyllite-2O from the Lovozero alkaline massif, Kola peninsula, Russia

CHLORBARTONITE, K 6 Fe 24 S 26 (Cl,S), A NEW MINERAL SPECIES FROM A HYDROTHERMAL VEIN IN THE KHIBINA MASSIF, KOLA PENINSULA, RUSSIA: DESCRIPTION AND CRYSTAL STRUCTURE