Individual skill
crystallography-basics
Crystal structure fundamentals — lattices, space groups, Miller indices, and reading crystallographic data correctly.
skills/crystallography-basics/SKILL.md
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## Overview
Crystallography is the language materials scientists use to describe ordered
solids. This skill covers the essentials: the seven crystal systems, Bravais
lattices, space-group notation, Miller indices, and how to extract useful
information (coordination, density, cleavage) from a CIF file or a published
structure.
## When to use
- Interpreting a crystal structure from a paper or database (CIF, ICSD, Materials Project)
- Indexing diffraction peaks or assigning Miller indices to crystal faces
- Predicting or rationalizing material properties from symmetry (piezoelectricity, anisotropy)
- Setting up a structure for DFT or molecular dynamics — getting the cell and symmetry right