Each concept here is mapped to its prerequisites — the ideas you'd need first to understand it — all the way down to four foundations: Space, Time, Energy, Pattern. Click any prerequisite to drill down, or scroll for the chain graph.
A solid with atoms arranged in a repeating pattern, emerging from the properties of matter and the concept of mineral, where the arrangement of atoms gives rise to a regular and ordered structure.
External reference — all senses of the word “crystal” on Wiktionary. This atlas concept maps to only the slice of meaning relevant to the prerequisite graph.