Fluor-rossmanite, □(Al 2 Li)Al 6 (Si 6 O 18 )(BO 3 ) 3 (OH) 3 F, a new tourmaline supergroup mineral from Malkhan pegmatite field, Western Siberia, Russia

Rundqvistite-(Ce), Na 3 (Sr 3 Ce)(Zn 2 Si 8 O 24 ), a new mineral from the Darai-Pioz alkaline massif, Tien-Shan Mountains, Tajikistan: mineral description and crystal structure

Two Rinkite-Group (Seidozerite-Supergroup) Minerals: Nacareniobsite-(Y), a New Mineral from the Darai-Pioz Alkaline Massif, Tajikistan, and Crystal-Structure Refinement of Nacareniobsite-(Ce)

Bortolanite, Ca 2 (Ca 1.5 Zr 0.5 )Na(NaCa)Ti(Si 2 O 7 ) 2 (FO)F 2 , a New Rinkite-Group (Seidozerite Supergroup) TS-Block Mineral from the Bortolan Quarry, Poços de Caldas Massif, Minas Gerais, Brazil

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

From Structure Topology to Chemical Composition. XXXI. Refinement of the Crystal Structure and Chemical Formula of Selivanovaite, NaFe 3+ Ti 4 (Si 2 O 7 ) 2 O 4 (H 2 O) 4 , a Murmanite-Group (Seidozerite Supergroup) TS-Block Mineral from the Lovozero Massif, Kola Peninsula, Russia

Mass Bias Corrections for Hydrogen and Oxygen Isotope Analysis of Tourmaline by Secondary Ion Mass Spectrometry

From Structure Topology to Chemical Composition. XXX. Refinement of the Crystal Structure and Chemical Formula of Shkatulkalite, Na 2 Nb 2 Na 3 Ti(Si 2 O 7 ) 2 O 2 (FO)(H 2 O) 4 (H 2 O) 3 , a Lamprophyllite-Group (Seidozerite Supergroup) TS-Block Mineral from the Lovozero Massif, Kola Peninsula, Russia

Shakhdaraite-(Y), ScYNb 2 O 8 , from the Leskhozovskaya granitic pegmatite, the valley of the Shakhdara River, southwestern Pamir, Gorno-Badakhshanskii Autonomous Region, Tajikistan: New mineral description and crystal structure

Ferro-papikeite, ideally Na F e 2 2 + ( F e 3 2 + Al 2 )(Si 5 Al 3 )O 22 (OH) 2 , a new orthorhombic amphibole from Nordmark (Western Bergslagen), Sweden: Description and crystal structure

From Structure Topology to Chemical Composition. XXIX. Revision of the Crystal Structure of Perraultite, NaBaMn 4 Ti 2 (Si 2 O 7 ) 2 O 2 (OH) 2 F, a Seidozerite-Supergroup TS-Block Mineral from the Oktyabr'skii Massif, Ukraine, and Discreditation of Surkhobite

From structure topology to chemical composition. XXVIII. Titanium silicates: Jinshajiangite from the Oktyabr'skii Massif, Donetsk Region, Ukraine, a new occurrence

A structure hierarchy for silicate minerals: chain, ribbon, and tube silicates

Fluorapophyllite-(Cs), CsCa 4 (Si 8 O 20 )F(H 2 O) 8 , a new apophyllite-group mineral from the Darai-Pioz Massif, Tien-Shan, northern Tajikistan

Brandãoite, [BeAl 2 (PO 4 ) 2 (OH) 2 (H 2 O) 4 ](H 2 O), a new Be–Al phosphate mineral from the João Firmino mine, Pomarolli farm region, Divino das Laranjeiras County, Minas Gerais State, Brazil: description and crystal structure

Laverovite, K 2 NaMn 7 Zr 2 (Si 4 O 12 ) 2 O 2 (OH) 4 F, a New Astrophyllite-supergroup Mineral from Mont Saint-hilaire, QuÉbec, Canada

Short-Range Order-Disorder in Gem Richterite and Pargasite from Afghanistan: Crystal-Structure Refinement and Infrared Spectroscopy

Gem amphiboles from Mogok, Myanmar: crystal-structure refinement, infrared spectroscopy and short-range order–disorder in gem pargasite and fluoro-pargasite

Heyerdahlite, Na 3 Mn 7 Ti 2 (Si 4 O 12 ) 2 O 2 (OH) 4 F(H 2 O) 2 , a new mineral of the astrophyllite supergroup from the Larvik Plutonic complex, Norway: Description and crystal structure

The crystal-chemistry of riebeckite, ideally Na2Fe 3 2+ Fe 2 3+ Si 8 O 22 (OH) 2 : a multi-technique study