Pertoldite Yamanaka T, Ogata K Journal of Applied Crystallography 24 (1991) 111-118 Structure refinement of GeO2 polymorphs at high pressures and temperatures by energy-dispersive spectra of powder diffraction Note: P = 0.0001 GPa T = 293 K Locality: synthetic _database_code_amcsd 0019056 4.9858 4.9858 5.6473 90 90 120 *P3_221 0 0 .66666666666 atom x y z Biso Ge .4521 0 0 .6 O .3957 .3019 .0915 1.2