Vaterite Le Bail A, Ouhenia S, Chateigner D Powder Diffraction 26 (2011) 16-21 Microtwinning hypothesis for a more ordered vaterite model Note: Meyer (1959) model, not preferred Locality: synthetic _database_code_amcsd 0019140 4.1291 7.1581 8.4764 90 90 90 Pbnm atom x y z Biso Ca 0 0 0 1.68 C .0794 .646 .25 4.3 O1 .3722 .5890 .25 4.3 O2 -.0552 .6678 .1219 4.3