Olgafrankite, Ni 3 Ge, a new mineral, the carrier of siderophile germanium in reduced systems

Mariakrite, [Ca 4 Al 2 (OH) 12 (H 2 O) 4 ][Fe 2 S 4 ], a new mineral, the first layered double hydroxide intercalated with dithioferrate (iron disulfide) chains

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

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

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

Crystal chemistry of schreibersite, (Fe,Ni) 3 P

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

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