Vol. 66, No. 1, 2021
From the Editorial Board and Compilers
p. 1 abstract
Mineralogical Crystallography: Look in the Past, New Trends, and Highlights
p. 2 abstract
Flexible Frameworks and Physical Properties of Compounds with Transition Metals, Derived from Ellenbergerite and β-Tridymite
p. 10 abstract
Copper in Coloradoite, HgTe: Actual State or Analytical Artifact?
p. 29 abstract
Crystal Chemistry of Hydrous Aluminium Arsenate Minerals
p. 33 abstract
Crystal-Chemical Approach to the Determination of Oxo-Centered Complexes in Divalent Lead Silicates
p. 43 abstract
Estimation of the Incorporation of Ti4+ Ions in the Composition of Mantle Garnets: The Results of Atomistic Calculations
p. 56 abstract
A Novel-Type Microporous Heteropolyhedral Framework in Crystal Structure of the Natural Sulfate Philoxenite
p. 60 abstract
Crystal Chemistry of “Malakhovite,” an Anthropogenic Analog of Khesinite from Burnt Dumps of the Chelyabinsk Coal Basin (South Urals)
p. 66 abstract
Tiettaite K4Na12Fe3+Si16O41(OH)4 ⋅ 2H2O: A Mineral with a Novel Type of Microporous Heteropolyhedral Framework
p. 76 abstract
Crystal Structures of Rb- and Ag-Substituted Forms of Natural Zeolite Amicite
p. 86 abstract
New Lead Silicates: Structures and Topology and Symmetry Analysis
p. 95 abstract
KTm[B4O6(OH)4] ⋅ 3H2O: A New Member of Borate Family with Mica-like Tetrahedral Layers
p. 105 abstract
New Data on the Isomorphism in Eudialyte-Group Minerals. IХ: Blocky Isomorphism at Key Sites. Crystal Structure of Fe-Deficient Eudialyte from the Khibiny Massif
p. 112 abstract
New Data on the Isomorphism in Eudialyte-Group Minerals. X: Crystal Structure of the Intermediate Member of the Raslakite–Sergevanite Series
p. 120 abstract
Electrical Conductivity of Cryptocrystalline Forms of Silica
p. 126 abstract
Electron Backscattered Diffraction for the Study of Matrices for Immobilization of Actinides Composed of the Murataite-Type Phases
p. 130 abstract
Crystallomorphological and Crystallochemical Indicators of Diamond Formation Conditions
p. 142 abstract
Minimal Dissymmetry Effect in the Thermodynamic System
p. 156 abstract
Provenance Study of the Lead Detected in the Antique Ceramic Sculpture from the Kerch Bay
p. 165 abstract
Erratum to: Crystal Structure of 5,5'-(Furan-2-ylmethylene)bis(6-amino-1,3-dimethylpyrimidine-2,4(1H,3H)-dione)
p. 174 abstract
Erratum to: Mössbauer Study of Iron Carbides Formed by Thermal Vacuum Deposition
p. 175 abstract