AM_SiO2_24 Formula: Si O2 Name: SiO2 Unit cell: 3.9299 3.9299 3.9299 90.0 90.0 90.0 , V=60.69 Space group: PA3 (205)

Kuwayama Y , Hirose K , Sata N , Ohishi Y , Science , 309 (2005) p.923-925, The pyrite-type high-pressure form of silica, Sample: P = 271 GPa, T = 300 K