All pages
- A
- Abelian group
- Absolute structure
- Absorption coefficient
- Absorption edge
- Absorption threshold
- Acceptance domain
- Affine isomorphism
- Affine mapping
- Allotwin
- Anomalous absorption
- Anomalous dispersion
- Anomalous scattering
- Aperiodic crystal
- Aristotype
- Arithmetic crystal class
- Asymmetric unit
- Atomic modulation function
- Atomic scattering factor
- Atomic surface
- Automorphism
- B
- Binary operation
- Borrmann effect
- Bragg's law
- Bragg R factor
- Bragg angle
- Bravais-Miller indices
- Bravais arithmetic class
- Bravais class
- Bravais group
- Bravais lattice
- Bravais law
- Brightness
- Brilliance
- Brillouin zone
- C
- CIF
- Cartesian product
- Cell-twinning
- Center
- Centralizer
- Centred lattice
- Charge flipping
- Chiral space group
- Chirality
- Co-crystal
- Complex
- Composition plane
- Conjugacy class
- Constrained refinement
- Conventional cell
- Corresponding twins
- Coset
- Cromer–Mann coefficients
- Cross-section
- Crystal
- Crystal class
- Crystal family
- Crystal pattern
- Crystal structure
- Crystal system
- Crystallographic Information File
- Crystallographic Information Framework
- Crystallographic basis
- Crystallographic orbit
- Crystallographic symmetry
- Curie laws
- Cylindrical system
- D
- DDL
- D centred cell
- Derivative structure
- Detective quantum efficiency (DQE)
- Diadochy
- Dictionary definition language
- Difference Patterson map
- Diffraction symbol
- Direct lattice
- Direct methods
- Direct product
- Direct space
- Direction indices
- Displacive modulation
- Domain of influence
- Double coset
- Dual-space phase retrieval algorithms
- Dual basis
- Dynamic range
- Dynamical diffraction
- Dynamical theory
- E
- Eigensymmetry
- Electrocaloric effect
- Electron crystallography
- Electron density map
- Electron diffraction structure analysis (EDSA)
- Epitaxy
- Euclidean mapping
- Euhedral
- Ewald sphere
- Extended X-ray absorption fine structure (EXAFS)
- Extinction symbol
- Extinctions
- F
- F(000)
- Factor group
- Family structure
- Fermi level
- Ferroics
- Fixed-point-free space group
- Flack parameter
- Flux
- Flux density
- Form
- Free R factor
- Friedel's law
- Friedel pair
- G
- Geometric crystal class
- Geometric element
- Gnomonic projection
- Goldschmidt tolerance factor
- Group
- Group homomorphism
- Group isomorphism
- Groupoid
- H
- H centred cell
- Habit
- Harker section
- Heavy-atom method
- Hemihedry
- Hemitropy
- Hermann-Mauguin symbols
- High energy resolution fluorescence detection (HERFD)
- Holohedry
- Hybrid input-output algorithm
- Hybrid twin
- I
- Image
- Incommensurate composite crystal
- Incommensurate magnetic structure
- Incommensurate modulated structure
- Inelastic X-ray scattering (IXS)
- Integral reflection conditions
- Interim Report of Working Group
- International Union of Crystallography
- Interplanar spacing
- Inversion twin
- Involution
- Isogonal
- Isomorphous crystals
- Isomorphous replacement
- Isostructural crystals
- J
- K
- Kinematical theory
- L
- Lattice
- Lattice complex
- Lattice system
- Laue class
- Laue equations
- Laue indices
- Law of rational indices
- Law of the constancy of interfacial angles
- Lepton
- Limiting complex
- Linear attenuation coefficient
- Local symmetry
- Lorentz–polarization correction
- M
- Main Page
- Mallard's law
- Mapping
- Mass attenuation coefficient
- Maximum likelihood
- Members of the Commission on Crystallographic Nomenclature
- Merohedral
- Merohedry
- Mesh
- Mesocrystal
- Metric specialization
- Metric tensor
- Miller indices
- Modular crystal structure
- Modulated crystal structure
- Molecular replacement
- Morphotropism
- Mosaic crystal
- Multi-electron excitation
- Multiwavelength anomalous diffraction (MAD)
- N
- Neumann's principle
- Noncrystallographic symmetry
- Normal subgroup
- Normalizer
- O
- OD structure
- Ogdohedry
- Optical resolution
- Order (group theory)
- Orientation matrix
- Orthohexagonal
- P
- Parent clamping approximation
- Partial structure
- Partial symmetry
- Patterson methods
- Patterson vector
- Pearson symbol
- Phase of a modulation
- Phase problem
- Phase transition
- Piezoelectricity
- Pleochroism
- Point configuration
- Point group
- Point space
- Point symmetry
- Polar lattice
- Polyamorphism
- Polymorphism
- Polytypism
- Powder
- Preferred orientation
- Primary extinction
- Primitive basis
- Primitive cell
- Priority rule
- Pseudo symmetry
- Pyroelectricity
- Q
- Quasicrystal
- Quasiperiodicity
- R
- R factor
- Real-space correlation coefficient
- Real-space residual
- Reciprocal lattice
- Reciprocal space
- Reduced cell
- Refinement
- Reflection conditions
- Reflection twin
- Renninger effect
- Report of Working Group
- Resolution
- Resonant scattering
- Restrained refinement
- Rietveld method
- Right-handed quartz
- Robots.txt
- Rotation twin
- S
- Sandbox
- Sayre equation
- Secondary extinction
- Secondary process detection
- Selection rules
- Selective merohedry
- Semidirect product
- Serial reflection conditions
- Sharpened Patterson function
- Site symmetry
- Sohncke groups
- Space group
- Spherical system
- Stabilizer
- Stacking fault
- Statistical descriptors
- Stereographic projection
- Structure-factor coefficient
- Structure amplitude
- Structure determination
- Structure factor
- Style guide for this Wiki
- Subcell
- Subgroup
- Sublattice
- Subperiodic crystal
- Subperiodic group
- Substructure
- Supercell
- Supergroup
- Superlattice
- Superposition method
- Superspace
- Superspace group
- Superspace point group
- Superstructure
- Symmetry element
- Symmetry operation
- Symmorphic space groups
- Synneusis
- Systematic absences
- T
- TLQS twinning
- TLS twinning
- Tetartohedry
- Thermal expansion
- Twin
- Twin (diffraction pattern of)
- Twin element
- Twin index
- Twin lattice
- Twin law
- Twin obliquity
- Twin operation
- Twinning
- Twinning (effects of)
- Twinning (endemic conditions of)
- Twinning by inversion
- Twinning by merohedry
- Twinning by metric merohedry
- Twinning by pseudomerohedry
- Twinning by reticular merohedry
- Twinning by reticular polyholohedry
- Twinning by reticular pseudomerohedry
- U
- Unit cell
- V
- VLD
- Vector module
- Vector space
- Voronoi domain
- W
- Weber indices
- Weiss parameters
- Weiss zone law
- Weissenberg complex
- Wigner-Seitz cell
- Wyckoff position
- Wyckoff set
- X
- X-ray absorption fine structure (XAFS)
- X-ray absorption spectroscopy (XAS)
- X-ray emission spectroscopy (XES)
- X-ray excited optical luminescence (XEOL)
- Y
- Z
- Z'
- Z and Z'
- Zonal reflection conditions