+A **Crystalline Solid** is a material where constituent atoms, molecules, or ions are arranged in a highly ordered, repeating pattern, forming a [Crystal Lattice](/wiki/crystal_lattice). This precise, periodic [Atomic Structure](/wiki/atomic_structure) gives them sharp, distinct melting points and characteristic geometric forms.
+## See also
+- [Amorphous Solid](/wiki/amorphous_solid)
+- [Solid State](/wiki/solid_state)
+- [Crystal](/wiki/crystal)
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