This image is of a textbook page discussing crystal structures

This image is of a textbook page discussing crystal structures. It is not possible to determine its location in Jalingo, Nigeria, as this is a generic educational image. The image displays text and diagrams related to crystallography. **Textual content includes:** * A chapter title "CRYSTAL STRUCTURE". * An introduction to solids, categorizing them as crystalline and non-crystalline or amorphous. It defines the distinguishing feature between them as the arrangement of atoms or molecules. * Learning objectives for the chapter, such as describing the structure of simple crystals, giving examples, and distinguishing between crystalline substances and amorphous substances. * A section titled "10.1 Crystals" which defines a crystal as a piece of solid matter with atoms, molecules, or ions arranged in a highly regular repeating pattern or lattice. * A description of how crystalline substances form, highlighting their flat surfaces and edges intersecting at right angles, and the regularity of particle arrangement. * A definition of a crystal lattice as a regular three-dimensional framework. * A section titled "Structure of simple crystals" which introduces the concept of unit cells as the building blocks of crystals. * A description of how unit cells are stacked to form a lattice. **Visual content includes:** * A diagram of a unit cell, illustrating axes (a, b, c) and angles (α, β, γ). * A diagram labeled "a. A unit cell" showing a lattice structure with spheres representing atoms or ions, depicting a simple cubic arrangement. * A diagram labeled "b. Sodium chloride NaCl Fig. 10.1 Simple cubic crystal" showing a more complex lattice structure. * A diagram labeled "Fig. 10.2 Zinc sulphide, ZnS Face-centred cubic crystal" showing another type of cubic crystal structure. There are no people or any identifiable environmental features within the image that would link it to a specific geographical location like Jalingo, Nigeria. It is solely an academic illustration.