Argentoliveingite, Ag 3+ x Pb 36−2 x As 51+ x S 112 (0 ≤ x < 0.5), a new homeotype of liveingite from Lengenbach, Binntal, Switzerland, and the crystal chemistry of the liveingite group

Description and crystal structure of vanderheydenite, Zn 6 (PO 4 ) 2 (SO 4 )(OH) 4 ·7H 2 O, a new mineral from Broken Hill, New South Wales, Australia

Lavinskyite-1 M , K(LiCu)Cu 6 (Si 4 O 11 ) 2 (OH) 4 , the monoclinic MDO equivalent of lavinskyite-2 O (formerly lavinskyite), from the Cerchiara manganese mine, Liguria, Italy

Écrinsite, AgTl 3 Pb 4 As 11 Sb 9 S 36 , a new thallium-rich homeotype of baumhauerite from the Jas Roux sulphosalt deposit, Parc national des Écrins, Hautes-Alpes, France

Ulfanderssonite-(Ce), a new Cl-bearing REE silicate mineral species from the Malmkärra mine, Norberg, Sweden

Crystal structures and isotypism of the iron(III) arsenate kamarizaite and the iron(III) phosphate tinticite

Fluor-schorl, a new member of the tourmaline supergroup, and new data on schorl from the cotype localities

BaYb 6 (Si 2 O 7 ) 2 (Si 3 O 10 ) – the first silicate containing both Si 2 O 7 and Si 3 O 10 groups: synthesis, crystal chemistry and topology

The crystal structure of parnauite: a copper arsenate–sulphate with translational disorder of structural rods

Ferriallanite-(La), a new member of the epidote supergroup from the Eifel, Germany

Eirikite, a new mineral species of the leifite group from the Langesundsfjord district, Norway

Pb 3 Fe 3+ 2 (PO 4 ) 4 (H 2 O), a new octahedral-tetrahedral framework structure with double-strand chains

Synthesis and structural study of five new trisilicates, BaREE 2 Si 3 O 10 (REE = Gd, Er, Yb, Sc) and SrY 2 Si 3 O 10 , including a review on the geometry of the Si 3 O 10 unit

Heftetjernite, a new scandium mineral from the Heftetjern pegmatite, Tørdal, Norway

Flörkeite, K 3 Ca 2 Na[Al 8 Si 8 O 32 ] · 12H 2 O, a new phillipsite-type zeolite from the Bellerberg, East Eifel volcanic area, Germany

Crystal chemistry of Rb-, Sr-, Ba-, Ca- and Pb-exchanged forms of natural hilairite

Wakefieldite-(La), LaVO 4 , a new mineral species from the Glücksstern Mine, Friedrichroda, Thuringia, Germany

Pattersonite, PbFe 3 (PO 4 ) 2 (OH) 4 [(H 2 O) 0.5 (OH) 0.5 ] 2 , a new supergene phosphate mineral: description and crystal structure

Two new structure types: KFe 3 (AsO 4 ) 2 (HAsO 4 ) 2 and K(H 2 O) M 3+ (H 1.5 AsO 4 ) 2 (H 2 AsO 4 )( M 3+ = Fe, Ga, In) – synthesis, crystal structure and spectroscopy

The crystal structures of lavendulan, sampleite, and a new polymorph of sampleite