Unusual strength properties of echinoderm calcite related to structure.
D000818:Animals; D001696:Biomechanical Phenomena; D002119:Calcium Carbonate; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D004447:Echinodermata / Q000166:cytology / Q000254:growth & development; D008854:Microscopy, Electron
D002119:Calcium Carbonate