FLUORCHEGEMITE, Ca 7 (SiO 4 ) 3 F 2 , A NEW MINERAL FROM THE EDGREWITE-BEARING ENDOSKARN ZONE OF AN ALTERED XENOLITH IN IGNIMBRITES FROM UPPER CHEGEM CALDERA, NORTHERN CAUCASUS, KABARDINO-BALKARIA, RUSSIA: OCCURRENCE, CRYSTAL STRUCTURE, AND NEW DATA ON THE MINERAL ASSEMBLAGES Available to Purchase

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

Eltyubyuite, Ca 12 Fe 3+ 10 Si 4 O 32 Cl 6 – the Fe 3+ analogue of wadalite: a new mineral from the Northern Caucasus, Kabardino-Balkaria, Russia Available to Purchase

Dzhuluite, Ca 3 SbSnFe 3+ 3 O 12 , a new bitikleite-group garnet from the Upper Chegem Caldera, Northern Caucasus, Kabardino-Balkaria, Russia Available to Purchase

Crystal chemistry and hydrogen bonding of rustumite Ca 10 (Si 2 O 7 ) 2 (SiO 4 )(OH) 2 Cl 2 with variable OH, Cl, F Available to Purchase

Edgrewite Ca 9 (SiO 4 ) 4 F 2 -hydroxyledgrewite Ca 9 (SiO 4 ) 4 (OH) 2 , a new series of calcium humite-group minerals from altered xenoliths in the ignimbrite of Upper Chegem caldera, Northern Caucasus, Kabardino-Balkaria, Russia Available to Purchase

Pavlovskyite Ca 8 (SiO 4 ) 2 (Si 3 O 10 ): A new mineral of altered silicate-carbonate xenoliths from the two Russian type localities, Birkhin massif, Baikal Lake area and Upper Chegem caldera, North Caucasus Available to Purchase

Rusinovite, Ca 10 (Si 2 O 7 ) 3 Cl 2 : a new skarn mineral from the Upper Chegem caldera, Kabardino-Balkaria, Northern Caucasus, Russia Available to Purchase

Vorlanite (CaU 6+ )O 4 —A new mineral from the Upper Chegem caldera, Kabardino-Balkaria, Northern Caucasus, Russia Available to Purchase

Elbrusite-(Zr)—A new uranian garnet from the Upper Chegem caldera, Kabardino-Balkaria, Northern Caucasus, Russia Available to Purchase

Toturite Ca 3 Sn 2 Fe 2 SiO 12 —A new mineral species of the garnet group Available to Purchase

Bitikleite-(SnAl) and bitikleite-(ZrFe): New garnets from xenoliths of the Upper Chegem volcanic structure, Kabardino-Balkaria, Northern Caucasus, Russia Available to Purchase

Kumtyubeite Ca 5 (SiO 4 ) 2 F 2 —A new calcium mineral of the humite group from Northern Caucasus, Kabardino-Balkaria, Russia Available to Purchase

Chegemite Ca 7 (SiO 4 ) 3 (OH) 2 – a new humite-group calcium mineral from the Northern Caucasus, Kabardino-Balkaria, Russia Available to Purchase

Lakargiite CaZrO 3 : A new mineral of the perovskite group from the North Caucasus, Kabardino-Balkaria, Russia Available to Purchase