Calcio-olivine Gobechiya E R, Yamnova N A, Zadov A E, Gazeev V M Crystallography Reports 53 (2008) 404-408 Calcio-olivine gamma-Ca2SiO4: I. Rietveld refinement of the crystal structure Locality: Lakargi Mountain, North Caucasus, Kabardino-Balkaria, Russia _database_code_amcsd 0012409 5.07389 11.21128 6.75340 90 90 90 Pbnm atom x y z Biso Cal 0 0 0 3.9 Ca2 .9890 .2796 .25 3.8 Si .4297 .0991 .25 3.4 O1 .741 .0902 .25 3.6 O2 .295 .9619 .25 1.7 O3 .300 .1604 .0596 2.6