Modularity, polytypism, topology, and complexity of crystal structures of inorganic compounds

SM Aksenov, DO Charkin, AM Banaru… - Journal of Structural …, 2023 - Springer
The modular approach is a powerful tool in current inorganic crystal chemistry. It enables not
only a more detailed analysis of the known structures and the determination of structural …

New data on the isomorphism in eudialyte-group minerals. 2. Crystal-chemical mechanisms of blocky isomorphism at the key sites

RK Rastsvetaeva, NV Chukanov - Minerals, 2020 - mdpi.com
The review considers various complex mechanisms of isomorphism in the eudialyte-group
minerals, involving both key positions of the heteropolyhedral framework and extra …

Chemical composition and petrogenetic implications of eudialyte-group mineral in the peralkaline Lovozero Complex, Kola Peninsula, Russia

L Kogarko, TFD Nielsen - Minerals, 2020 - mdpi.com
Lovozero complex, the world's largest layered peralkaline intrusive complex hosts gigantic
deposits of Zr-, Hf-, Nb-, LREE-, and HREE-rich Eudialyte Group of Mineral (EGM). The …

Who Is Who in the Eudialyte Group: A New Algorithm for the Express Allocation of a Mineral Name Based on the Chemical Composition

JA Mikhailova, DG Stepenshchikov, AO Kalashnikov… - Minerals, 2022 - mdpi.com
Eudialyte-group minerals (EGMs) are Na-Ca zirconosilicates typical for peralkaline plutonic
rocks. In the zeolite-like crystal structure of these minerals, there are many sites of different …

Eudialyte Group Minerals from the Lovozero Alkaline Massif, Russia: Occurrence, Chemical Composition, and Petrogenetic Significance

JA Mikhailova, YA Pakhomovsky, TL Panikorovskii… - Minerals, 2020 - mdpi.com
The Lovozero Alkaline Massif intruded through the Archean granite-gneiss and Devonian
volcaniclastic rocks ca. 360 Ma ago and formed a large laccolith-type body. The lower part of …

Selsurtite,(H3O) 12Na3 (Ca3Mn3)(Na2Fe) Zr3□ Si [Si24O69 (OH) 3](OH) Cl⋅ H2O, a new eudialyte-group mineral from the Lovozero alkaline massif, Kola Peninsula …

NV Chukanov, SM Aksenov, ON Kazheva… - Mineralogical …, 2023 - cambridge.org
The new eudialyte-group mineral selsurtite, ideally (H3O) 12Na3 (Ca3Mn3)(Na2Fe) Zr3□ Si
[Si24O69 (OH) 3](OH) Cl⋅ H2O, was discovered in metasomatic peralkaline rock from the …

Synthesis of Fe-deficient eudialyte analogues: Relationships between the composition of the reaction system and crystal-chemical features of the products

TN Kovalskaya, VN Ermolaeva, NV Chukanov… - Mineralogical …, 2023 - cambridge.org
Eudialyte-related compounds have been synthesised hydrothermally at T= 600° C and P= 2
kbar from a stoichiometric mixture of Na2CO3, CaO, Fe2O3, ZrOCl2 and SiO2 using the Na …

Compositional Variation of Eudialyte-Group Minerals from the Lovozero and Ilímaussaq Complexes and on the Origin of Peralkaline Systems

LN Kogarko, TFD Nielsen - Minerals, 2021 - mdpi.com
The Lovozero complex, Kola peninsula, Russia and the Ilímaussaq complex in Southwest
Greenland are the largest known layered peralkaline intrusive complexes. Both host world …

[책][B] Минеральные виды

В Кривовичев - 2022 - books.google.com
В монографии рассматривается приложение концепции минеральных систем для
количественной оценки сходства и различия геологических объектов и эволюции …

Zr-Rich Eudialyte from the Lovozero Peralkaline Massif, Kola Peninsula, Russia

TL Panikorovskii, JA Mikhailova, YA Pakhomovsky… - Minerals, 2021 - mdpi.com
The Lovozero peralkaline massif (Kola Peninsula, Russia) has several deposits of Zr, Nb, Ta
and rare earth elements (REE) associated with eudialyte-group minerals (EGM). Eudialyte …