Tetrahedral aluminum in tourmaline from a spinel-pargasite-metamorphosed mafic-ultramafic rock

Hanswilkeite, KFeS 2 , a new peralkaline sulfide mineral

Yakubovichite, CaNi 2 Fe 3+ (PO 4 ) 3 , a new nickel phosphate mineral of non-meteoritic origin

Crocobelonite, Ca Fe 2 3 + (PO 4 ) 2 O, a new oxyphosphate mineral, the product of pyrolytic oxidation of natural phosphides

Ryabchikovite, CuMg(Si 2 O 6 ), a new pyroxene group mineral, and some genetic features of natural anhydrous copper silicates

Expanding the speciation of terrestrial molybdenum: Discovery of polekhovskyite, MoNiP 2 , and insights into the sources of Mo-phosphides in the Dead Sea Transform area

Natural cubic perovskite, Ca(Ti,Si,Cr)O 3–δ , a versatile potential host for rock-forming and less-common elements up to Earth’s mantle pressure

Nazarovite, Ni 12 P 5 , a new terrestrial and meteoritic mineral structurally related to nickelphosphide, Ni 3 P

Keplerite, Ca 9 (Ca 0.5 ☐ 0.5 )Mg(PO 4 ) 7 , a new meteoritic and terrestrial phosphate isomorphous with merrillite, Ca 9 NaMg(PO 4 ) 7

Effect of magnesium on monohydrocalcite formation and unit-cell parameters

Discovery of terrestrial allabogdanite (Fe,Ni) 2 P, and the effect of Ni and Mo substitution on the barringerite-allabogdanite high-pressure transition

Synthesis and crystal structure of Pb-dominant tourmaline

Negevite, the pyrite-type NiP 2 , a new terrestrial phosphide

Transjordanite, Ni 2 P, a new terrestrial and meteoritic phosphide, and natural solid solutions barringerite-transjordanite (hexagonal Fe 2 P–Ni 2 P)

Gasparite-(La), La(AsO 4 ), a new mineral from Mn ores of the Ushkatyn-III deposit, Central Kazakhstan, and metamorphic rocks of the Wanni glacier, Switzerland