Uramphite, (NH 4 )(UO 2 )(PO 4 )·3H 2 O, from the second world occurrence, Beshtau uranium deposit, Northern Caucasus, Russia: Crystal-structure refinement, infrared spectroscopy, and relation to uramarsite

Plumbogaidonnayite, PbZrSi 3 O 9 ⋅2H 2 O, a new Pb-member of the gaidonnayite group from the Saima alkaline complex, Liaoning Province, China

Two Rinkite-Group (Seidozerite-Supergroup) Minerals: Nacareniobsite-(Y), a New Mineral from the Darai-Pioz Alkaline Massif, Tajikistan, and Crystal-Structure Refinement of Nacareniobsite-(Ce)

Evaluating the Magnitudes of Weathering and Potassium Metasomatism in Paleosols: Examples from Proterozoic, Cambrian, and Cretaceous Paleosols in Midcontinental Laurentia

Fluorsigaiite, Ca 2 Sr 3 (PO 4 ) 3 F, a new mineral of the apatite supergroup from the Saima alkaline complex, Liaoning Province, China

Hingganite-(Nd), Nd 2 □Be 2 Si 2 O 8 (OH) 2 , a new gadolinite-supergroup mineral from Zagi Mountain, Pakistan

Nooks and Crannies – Mountains and Clouds

Fluorlamprophyllite, Na 3 (SrNa)Ti 3 (Si 2 O 7 ) 2 O 2 F 2 , a new mineral from Poços de Caldas alkaline massif, Morro do Serrote, Minas Gerais, Brazil

Bohseite, ideally Ca 4 Be 4 Si 9 O 24 (OH) 4 , from the Piława Górna quarry, the Góry Sowie Block, SW Poland

Diffusion-controlled and replacement microtextures in alkali feldspars from two pegmatites: Perth, Ontario and Keystone, South Dakota

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

Rietveld structure refinement of microcline

Yusupovite, Na 2 Zr(Si 6 O 15 )(H 2 O) 3 , a new mineral species from the Darai-Pioz alkaline massif and its implications as a new microporous filter for large ions

THE LATE-STAGE MINIFLOOD OF Ca IN GRANITIC PEGMATITES: AN OPEN-SYSTEM ACID-REFLUX MODEL INVOLVING PLAGIOCLASE IN THE EXOCONTACT

EXTREME F ACTIVITIES IN LATE PEGMATITIC EVENTS AS A KEY FACTOR FOR LILE AND HFSE ENRICHMENT: THE ÁNGEL PEGMATITE, CENTRAL ARGENTINA

Medium-range order in disordered K-feldspars by multinuclear NMR

Pseudomorphs of Low Microcline After Adularia Fourlings from the Alto Da Cabeça (Boqueirão) and Morro Redondo Pegmatites, Brazil

Granitic Pegmatites: Storehouses of Industrial Minerals

Mineralogy of pockets of the Malkhan tourmaline deposit ( Transbaikalia ): feldspars of the Sosedka vein

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)