AM_Manganese-delta_1 Formula: Mn Name: Manganese-delta Unit cell: 3.093 3.093 3.093 90.0 90.0 90.0 , V=29.59 Space group: IM3M (229)

Wyckoff R W G , Crystal Structures , 1 (1963) p.7-83, Second edition. Interscience Publishers, New York, New York, Sample at T = 1240 C, stable till melting point at 1245 C