Self-Organized Calcium Carbonate with Regular Surface-Relief Structures ( This study was partially supported by Grant-in-aid for the 21st Century COE Program for Frontiers in Fundamental Chemistry (TK and AS) and Grant-in-aid for Exploratory Research (15655038) (TK) from the Ministry of Education, Culture, Sports, Science and Technology. Partial financial support of the Sasakawa Scientific Research Grant from the Japan Science Society (AS) is also acknowledged. We thank Prof. Dr. J. Sunamoto and Prof. Dr. K. Akiyoshi for valuable scientific discussions. We also thank Drs. H. Tsunakawa and C. Iwamoto for assistance in TEM observation. )