Geochemical and Isotopic Constraints on the Origin of Rare-Metal Enriched Alkaline A-Type Granites from the Nubian Shield: Role of Mantle Metasomatism

Håleniusite-(Ce), CeOF, the Ce Analogue of Håleniusite-(La) from the Água de Pau Volcano, Sãn Miguel Island, Azores District, Portugal

The Transition from Miaskitic to Agpaitic Rocks, as Highlighted by the Accessory Phase Assemblages in the Passa Quatro Alkaline Complex (SouthEastern Brazil)

Laverovite, K 2 NaMn 7 Zr 2 (Si 4 O 12 ) 2 O 2 (OH) 4 F, a New Astrophyllite-supergroup Mineral from Mont Saint-hilaire, QuÉbec, Canada

Heyerdahlite, Na 3 Mn 7 Ti 2 (Si 4 O 12 ) 2 O 2 (OH) 4 F(H 2 O) 2 , a new mineral of the astrophyllite supergroup from the Larvik Plutonic complex, Norway: Description and crystal structure

Redefinition of Zircophyllite, Ideally K 2 NaMn 7 Zr 2 (Si 4 O 12 ) 2 O 2 (OH) 4 F, a Kupletskite-group Mineral of the Astrophyllite Supergroup (in Accord with Ima 15-b) As an Astrophyllite-group Mineral, Ideally K 2 NaFe 2+ 7 Zr 2 (Si 4 O 12 ) 2 O 2 (OH) 4 F (ima 17-d)

Fogoite-(Y), Na 3 Ca 2 Y 2 Ti(Si 2 O 7 ) 2 OF 3 , a Group I TS-block mineral from the Lagoa do Fogo, the Fogo volcano, São Miguel Island, the Azores: Description and crystal structure

The astrophyllite supergroup: nomenclature and classification

Lobanovite, K 2 Na( Mg 2 Na)Ti 2 (Si 4 O 12 ) 2 O 2 (OH) 4 , a new mineral of the astrophyllite supergroup and its relation to magnesioastrophyllite

The Crystal Structure of Zircophyllite, K 2 NaFe 2+ 7 Zr 2 (Si 4 O 12 ) 2 O 2 (OH) 4 F, an Astrophyllite-supergroup Mineral from Mont Saint-hilaire, QuÉbec, Canada

Two Astrophyllite-supergroup Minerals: Bulgakite, a New Mineral from the Darai-pioz Alkaline Massif, Tajikistan and Revision of the Crystal Structure and Chemical Formula of Nalivkinite

FLUORNATROPYROCHLORE, A NEW PYROCHLORE SUPERGROUP MINERAL FROM THE BOZIGUOER RARE EARTH ELEMENT DEPOSIT, BAICHENG COUNTY, AKESU, XINJIANG, CHINA

FERRO-FERRI-NYBØITE, NaNa 2 (Fe 2+ 3 Fe 3+ 2 )(Si 7 Al)O 22 (OH) 2 , A NEW CLINOAMPHIBOLE FROM MONT SAINT-HILAIRE, QUÉBEC, CANADA: DESCRIPTION AND CRYSTAL STRUCTURE

Further developments in the structure topology of the astrophyllite-group minerals

TARBAGATAITE, (K,□) 2 (Ca,Na)(Fe 2+ ,Mn) 7 Ti 2 (Si 4 O 12 ) 2 O 2 (OH) 4 (OH,F), A NEW ASTROPHYLLITE-GROUP MINERAL SPECIES FROM THE VERKHNEE ESPE DEPOSIT, AKJAILYAUTAS MOUNTAINS, KAZAKHSTAN: DESCRIPTION AND CRYSTAL STRUCTURE

Sveinbergeite, Ca( \batchmode \documentclass[fleqn,10pt,legalpaper]{article} \usepackage{amssymb} \usepackage{amsfonts} \usepackage{amsmath} \pagestyle{empty} \begin{document} \(\mathrm{Fe}_{6}^{2+}\) \end{document} Fe 3+ )Ti 2 (Si 4 O 12 ) 2 O 2 (OH) 5 (H 2 O) 4 , a new astrophyllite-group mineral from the Larvik Plutonic Complex, Oslo Region, Norway: description and crystal structure

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)

Byzantievite, Ba 5 (Ca, REE ,Y) 22 (Ti,Nb) 18 (SiO 4 ) 4 [(PO 4 ),(SiO 4 )] 4 (BO 3 ) 9 O 21 [(OH),F] 43 (H 2 O) 1.5 : the crystal structure and crystal chemistry of the only known mineral with the oxyanions (BO 3 ), (SiO 4 ) and (PO 4 )

THE CRYSTAL STRUCTURES OF NIOBOPHYLLITE, KUPLETSKITE-(Cs) AND Sn-RICH ASTROPHYLLITE: REVISIONS TO THE CRYSTAL CHEMISTRY OF THE ASTROPHYLLITE-GROUP MINERALS