Tourmaline as a petrogenetic indicator highlighted in a multicoloured crystal from the gem deposit of Mavuco, Alto Ligoña pegmatite district, NE Mozambique Open Access

A brief comment on Hawthorne (2023): “On the definition of distinct mineral species: A critique of current IMA-CNMNC procedures” Available to Purchase

Dark-coloured Mn-rich overgrowths in an elbaitic tourmaline crystal from the Rosina pegmatite, San Piero in Campo, Elba Island, Italy: witness of late-stage opening of the geochemical system Open Access

Piccoliite, NaCaMn 3+ 2 (AsO 4 ) 2 O(OH), a new arsenate from the manganese deposits of Montaldo di Mondovì and Valletta, Piedmont, Italy Open Access

New data on melanostibite, Mn 2 Fe 3+ Sb 5+ O 6 Open Access

Blue growth zones caused by Fe 2+ in tourmaline crystals from the San Piero in Campo gem-bearing pegmatites, Elba Island, Italy Open Access

Uvite, CaMg 3 (Al 5 Mg)(Si 6 O 18 )(BO 3 ) 3 (OH) 3 (OH), a new, but long-anticipated mineral species of the tourmaline supergroup from San Piero in Campo, Elba Island, Italy Open Access

As-bearing new mineral species from Valletta mine, Maira Valley, Piedmont, Italy: IV. Lombardoite, Ba 2 Mn 3+ (AsO 4 ) 2 (OH) and aldomarinoite, Sr 2 Mn 3+ (AsO 4 ) 2 (OH), description and crystal structure Open Access

Princivalleite, Na(Mn 2 Al)Al 6 (Si 6 O 18 )(BO 3 ) 3 (OH) 3 O, a new mineral species of the tourmaline supergroup from Veddasca Valley, Varese, Italy Open Access

Magnesio-lucchesiite, CaMg 3 Al 6 (Si 6 O 18 )(BO 3 ) 3 (OH) 3 O, a new species of the tourmaline supergroup Available to Purchase

Vanadium-induced coloration in grossite (CaAl 4 O 7 ) and hibonite (CaAl 12 O 19 ) Available to Purchase

Bianchiniite, Ba 2 (Ti 4+ V 3+ )(As 2 O 5 ) 2 OF, a new diarsenite mineral from the Monte Arsiccio mine, Apuan Alps, Tuscany, Italy Open Access

Mn-bearing purplish-red tourmaline from the Anjanabonoina pegmatite, Madagascar Open Access

Derbylite and graeserite from the Monte Arsiccio mine, Apuan Alps, Tuscany, Italy: occurrence and crystal-chemistry Available to Purchase

Nomenclature of the magnetoplumbite group Open Access

Hydroxylhedyphane, Ca 2 Pb 3 (AsO 4 ) 3 (OH), a new member of the apatite supergroup from Långban, Sweden Available to Purchase

Bohuslavite, Fe 4 3 + (PO 4 ) 3 (SO 4 )(OH)(H 2 O) 10 · n H 2 O, a new hydrated iron phosphate-sulfate Available to Purchase

On the application of the IMA−CNMNC dominant-valency rule to complex mineral compositions Available to Purchase

Crystal-chemical study of ecdemite from Harstigen, a new natural member of the layered lead oxyhalides group Available to Purchase

New minerals and nomenclature modifications approved in 2018 and 2019 Available to Purchase