AM_Bustamite_3 Formula: Ca Mn Si2 O6 Name: Bustamite Unit cell: 15.412 7.157 13.824 89.48 94.85 102.93 , V=1480.78 Space group: F-1 (2)

Peacor D R , Buerger M J , Zeitschrift fur Kristallographie , 117 (1962) p.331-343, Determination and refinement of the crystal structure of bustamite, CaMnSi2O6, Locality: Franklin, New Jersey, USA