Vaterite Kamhi S R Acta Crystallographica 16 (1963) 770-772 On the structure of vaterite, CaCO3 Locality: Synthetic, preferred structure model _database_code_amcsd 0009279 4.13 4.13 8.49 90 90 120 P6_3/mmc atom x y z occ Biso Ca 0 0 0 6.8 C .29 .58 .25 1/3 6.8 O1 .12 .24 .25 1/3 6.8 O2 .38 .76 .12 1/3 6.8