Crystals: An Introduction (1958)

The film provides an introduction to crystal growth and structure, focusing on sodium chloride (common salt) as a primary example. It details the process of crystal formation under a microscope, explaining how atoms arrange themselves in regular patterns and the significance of x-ray diffraction in determining crystal structure. The film also discusses the concepts of symmetry in crystals, including axes of symmetry, cleavage, and the effects of crystal imperfections. Various types of crystals are explored, including polycrystalline materials and single crystals, highlighting their unique properties and behaviors under different conditions.

Keywords
crystal growth, sodium chloride, x-ray diffraction, crystal structure, symmetry, cleavage, polycrystalline, single crystals, imperfections

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