Mg2SiO4 Finkelstein G J, Dera P K, Jahn S, Oganov A R, Holl C M, Meng Y, Duffy T S American Mineralogist 99 (2014) 35-43 Phase transitions and equation of state of forsterite to 90 GPa from single-crystal X-ray diffraction and molecular modeling Note: P = 52.4 GPa Locality: Synthetic _database_code_amcsd 0020328 4.695 9.201 5.311 93.100 107.264 98.133 P1 atom x y z Mg1 .9714 .0966 .6415 Mg2 .0419 .9354 .0567 Mg3 .0026 .6656 .7362 Mg4 .5065 .5160 .8488 Mg5 .5386 .7905 .1388 Mg6 .0105 .3666 .9614 Mg7 .4746 .2414 .5588 Mg8 .5065 .5161 .3489 Si1 .0048 .3875 .4564 Si2 .0083 .6445 .2412 Si3 .6136 .1239 .0951 Si4 .3995 .9081 .6027 O1 .2702 .8430 .8193 O2 .7865 .6995 .9680 O3 .7628 .2287 .3717 O4 .2756 .0474 .4928 O5 .7429 .1891 .8786 O6 .2266 .3325 .7297 O7 .2506 .8032 .3262 O8 .7833 .6947 .4029 O9 .7924 .4622 .1735 O10 .7372 .9845 .2048 O11 .2204 .5698 .5243 O12 .7760 .4475 .6450 O13 .2685 .1109 .0031 O14 .2370 .5847 .0528 O15 .2300 .3374 .2947 O16 .7446 .9211 .6950