title: Calcite crystals with platonic shapes and minimal surfaces.
authors.affiliation: Max Planck Institute of Colloids and Interfaces, Research Campus Golm, 14424 Potsdam, Germany.
authors.forename: Rui-Qi
authors.initials: RQ
authors.lastname: Song
authors.forename: An-Wu
authors.initials: AW
authors.lastname: Xu
authors.forename: Markus
authors.initials: M
authors.lastname: Antonietti
authors.forename: Helmut
authors.initials: H
authors.lastname: Cölfen