Hortonolite_2 Formula: Fe2 Si O4 Name: Hortonolite Unit cell: 4.822 10.46 6.101 90.0 90.0 90.0 , V=307.72 Space group: PBNM (62)
Hazen R M , American Mineralogist , 62 (1977) p.286-295, Effects of temperature and pressure on the crystal structure of ferromagnesian, olivine, T = 600 deg C, P = 1 atm