AM_Helium_6 Formula: He Name: Helium Unit cell: 4.11 4.11 4.11 90.0 90.0 90.0 , V=69.43 Space group: IM3M (229)

Schuch A F , Mills R L , Physical Review Letters , 8 (1962) p.469-470, Structure of the gamma form of solid He4, Locality: synthetic, Sample: at T = 1.73 K & P = .003 GPa, Note: structure known as gamma phase