A special issue devoted to Christian Chopin, in recognition of 30 years of dedicated service to the European Journal of Mineralogy

Crystal structure and crystal-chemistry of vanadio-pargasite: a new amphibole from southern Lake Baikal, Siberia, Russia

Crystal chemistry of julgoldite, a mineral series of the pumpellyite group: re-investigation of Fe distribution and hydrogen-bonding

New data on cafarsite: reinvestigation of its crystal structure and chemical composition

First natural hexaferrite with mixed β ‴- ferrite (β-alumina) and magnetoplumbite structure from Jabel Harmun, Palestinian Autonomy

Reinvestigation of the zemannite structure and its dehydration behavior: a single-crystal X-ray and atomistic simulation study

Khesinite, Ca 4 Mg 2 Fe 3+ 10 O 4 [(Fe 3+ 10 Si 2 )O 36 ], a new rhönite-group (sapphirine supergroup) mineral from the Negev Desert, Israel – natural analogue of the SFCA phase

Crystal structure of potassic-mangani-leakeite from the Wessels Mine, Kalahari Manganese Field, South Africa

Ferromerrillite, Ca 9 NaFe 2+ (PO 4 ) 7 , a new mineral from the Martian meteorites, and some insights into merrillite–tuite transformation in shergottites

The crystal structure of flamite and its relation to Ca 2 SiO 4 polymorphs and nagelschmidtite

Perettiite-(Y), Y 3+ 2 Mn 2+ 4 Fe 2 +[Si 2 B 8 O 24 ], a new mineral from Momeik, Myanmar

Chiavennite revisited: a high-temperature in situ single-crystal X-ray diffraction study

Mayenite supergroup, part I: Recommended nomenclature

Mayenite supergroup, part II: Chlorkyuygenite from Upper Chegem, Northern Caucasus, Kabardino-Balkaria, Russia, a new microporous mineral with “zeolitic” H 2 O

Mayenite supergroup, part III: Fluormayenite, Ca 12 Al 14 O 32 [□ 4 F 2 ], and fluorkyuygenite, Ca 12 Al 14 O 32 [(H 2 O) 4 F 2 ], two new minerals from pyrometamorphic rocks of the Hatrurim Complex, South Levant

Mayenite supergroup, part IV: Crystal structure and Raman investigation of Al-free eltyubyuite from the Shadil-Khokh volcano, Kel’ Plateau, Southern Ossetia, Russia

The triplite–triploidite supergroup: structural modulation in wagnerite, discreditation of magniotriplite, and the new mineral hydroxylwagnerite

Dehydration of the zeolite merlinoite from the Khibiny massif, Russia: an in situ temperature-dependent single-crystal X-ray study

Description and crystal structure of maghrebite, MgAl 2 (AsO 4 ) 2 (OH) 2 ·8H 2 O, from Aghbar, Anti-Atlas, Morocco: first arsenate in the laueite mineral group

Synthetic alexandrite – Growth methods and their analytical fingerprints