AM_Kutnohorite
Formula: (Ca.5 Mn.5) C O3
Name: Kutnohorite
Unit cell: 4.8797 4.8797 16.367 90.0 90.0 120.0 , V=337.51
Space group: R-3C (167)

Graf D L , American Mineralogist , 46 (1961) p.1283-1316, Crystallographic tables for the rhombohedral carbonates, Note: Disordered model