Yeomanite, Pb 2 O(OH)Cl, a new chain-structured Pb oxychloride from Merehead Quarry, Somerset, England

Ekplexite (Nb,Mo)S 2 ·(Mg 1−x Al x )(OH) 2+x , kaskasite (Mo,Nb)S 2 ·(Mg 1−x Al x )(OH) 2+x and manganokaskasite (Mo,Nb)S 2 ·(Mn 1−x Al x )(OH) 2+x , three new valleriite-group mineral species from the Khibiny alkaline complex, Kola peninsula, Russia

Crystal structure of a novel synthetic compound, Pb 2 O(OH)I, and structure refinement of ‘iodolaurionite’, Pb(OH)I: hydroxo- and oxocentred units in Pb minerals and synthetic compounds

Oxo-magnesio-hastingsite, NaCa 2 (Mg 2 Fe 3 3 + )(Al 2 Si 6 )O 22 O 2 , a new anhydrous amphibole from the Deeti volcanic cone, Gregory rift, northern Tanzania

Rumseyite, [Pb 2 OF]Cl, the first naturally occurring fluoroxychloride mineral with the parent crystal structure for layered lead oxychlorides

Hereroite and vladkrivovichevite: two novel lead oxychlorides from the Kombat mine, Namibia

Pb 2 (AsO 2 OH)Cl 2 , a new phase from the Lavrion ancient slags, Greece: occurrence and characterization

Rickturnerite, Pb 7 O 4 [Mg(OH) 4 ](OH)Cl 3 , a complex new lead oxychloride mineral

Fluorine-, yttrium- and lanthanide-rich cerianite-(Ce) from carbonatitic rocks of the Kerimasi volcano and surrounding explosion craters, Gregory Rift, northern Tanzania

The crystal structure of Pb 5 (As 3+ O 3 )Cl 7 from the historic slags of Lavrion, Greece – a novel Pb(II) chloride arsenite

The crystal structure and chemistry of mereheadite

Chloroxiphite Pb 3 CuO 2 (OH) 2 Cl 2 : structure refinement and description in terms of oxocentred OPb 4 tetrahedra