Hortonolite_3 Formula: Fe2 Si O4 Name: Hortonolite Unit cell: 4.838 10.49 6.136 90.0 90.0 90.0 , V=311.41 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 = 900 deg C,P = 1 atm