Suzanne's Math Lessons Students studying polyhedra enjoy seeing the structures as they occur in the real world. Crystalline structures can be categorized into seven crystal systems.
Students can access links to photographs of beautiful crystals.
Paper models of crystals can be made by printing out nets of crystals and constructing the models. Crystallography Real world crystalline structures. The seven crystal systems with links to photographs of examples. Paper Nets Print out and construct paper models of nets. On the Web Web sites about crystals.