Hydroxylbastnäsite-(La), an ‘old new’ bastnäsite-group mineral Available to Purchase

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

Laetoli: The Oldest Known Hominin Footprints in Volcanic Ash Available to Purchase

Ermakovite (NH 4 )(As 2 O 3 ) 2 Br, a new exhalative arsenite bromide mineral from the Fan-Yagnob coal deposit, Tajikistan Available to Purchase

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 Available to Purchase

Nickolayite, FeMoP, a new natural molybdenum phosphide Available to Purchase

Carbonatites: Contrasting, Complex, and Controversial Available to Purchase

Anhydrous alkali copper sulfates – a promising playground for new Cu 2+ oxide complexes: new Rb-analogues of fumarolic minerals. Available to Purchase

Mineralogy and petrology of alkaline rocks and carbonatites: Celebrating the life and work of Gregory Yu. Ivanyuk (1966–2019) Available to Purchase

Oscillatory- and sector-zoned pyrochlore from carbonatites of the Kerimasi volcano, Gregory rift, Tanzania Available to Purchase

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

Koryakite, NaKMg 2 Al 2 (SO 4 ) 6 , a new NASICON-related anhydrous sulfate mineral from Tolbachik volcano, Kamchatka, Russia Available to Purchase

Majzlanite, K 2 Na(ZnNa)Ca(SO 4 ) 4 , a new anhydrous sulfate mineral with complex cation substitutions from Tolbachik volcano Available to Purchase

Dokuchaevite, Cu 8 O 2 (VO 4 ) 3 Cl 3 , a new mineral with remarkably diverse Cu 2+ mixed-ligand coordination environments Available to Purchase

Belousovite, KZn(SO 4 )Cl, a new sulfate mineral from the Tolbachik volcano with apophyllite sheet-topology. Available to Purchase

Somersetite, Pb 8 O(OH) 4 (CO 3 ) 5 , a new complex hydrocerussite-related mineral from the Mendip Hills, England Available to Purchase

The hydrocerussite-related phase, NaPb 5 (CO 3 ) 4 (OH) 3 , from the ancient slags of Lavrion, Greece Available to Purchase

Copper oxosulphates from fumaroles of Tolbachik volcano: puninite, Na 2 Cu 3 O(SO 4 ) 3 –a new mineral species and structure refinements of kamchatkite and alumoklyuchevskite Available to Purchase

The crystal structure and composition of pottsite, (Pb 3 x Bi 4–2 x )(VO 4 ) 4 ·H 2 O (0.8 < x < 1.0) Available to Purchase

Unique thallium mineralization in the fumaroles of Tolbachik volcano, Kamchatka Peninsula, Russia. I. Markhininite, TlBi(SO 4 ) 2 Available to Purchase