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

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

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

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

Celleriite, ☐( Mn 2 2 + Al)Al 6 (Si 6 O 18 )(BO 3 ) 3 (OH) 3 (OH), a new mineral species of the tourmaline supergroup Available to Purchase

Ferro-fluoro-edenite, a new amphibole endmember from Vulcano Island (Sicily, Italy) Available to Purchase

Titanium in tourmalines from granitic pegmatites and their exocontacts Available to Purchase

Vránaite, ideally Al 16 B 4 Si 4 O 38 , a new mineral related to boralsilite, Al 16 B 6 Si 2 O 37 , from the Manjaka pegmatite, Sahatany Valley, Madagascar Available to Purchase

BORALSILITE AND Li,Be-BEARING “BORON MULLITE” Al 8 B 2 Si 2 O 19 , BREAKDOWN PRODUCTS OF SPODUMENE FROM THE MANJAKA PEGMATITE, SAHATANY VALLEY, MADAGASCAR Available to Purchase

Granitic Pegmatites as Sources of Colored Gemstones Available to Purchase

Limitations of Fe 2+ and Mn 2+ site occupancy in tourmaline: Evidence from Fe 2+ - and Mn 2+ -rich tourmaline Available to Purchase

Tourmaline: The Kaleidoscopic Gemstone Available to Purchase

Nomenclature of the tourmaline-supergroup minerals Available to Purchase

VIGEZZITE AND ASSOCIATED OXIDES OF Nb–Ta FROM EMERALD-BEARING PEGMATITES OF THE VIGEZZO VALLEY, WESTERN ALPS, ITALY Available to Purchase

Why is amazonitic K-feldspar an earmark of NYF-type granitic pegmatites? Clues from hybrid pegmatites in Madagascar Available to Purchase

Nb–Ti–Ta OXIDES IN THE GEM-MINERALIZED AND “HYBRID” ANJANABONOINA GRANITIC PEGMATITE, CENTRAL MADAGASCAR: A RECORD OF MAGMATIC AND POSTMAGMATIC EVENTS Available to Purchase

LONDONITE, A NEW MINERAL SPECIES: THE Cs-DOMINANT ANALOGUE OF RHODIZITE FROM THE ANTANDROKOMBY GRANITIC PEGMATITE, MADAGASCAR Available to Purchase

Schiavinatoite, (Nb, Ta) BO 4 , the Nb analogue of behierite Available to Purchase

Electron- and ion-microprobe analyses, and genetic inferences of tourmalines of the foitite-schorl solid solution, Elba Island (Italy) Available to Purchase