Mg2GeO4 Thomas S M, Muller M K, Kahlenberg V, Thomas R, Rhede D, Wirth R, Wunder B American Mineralogist 93 (2008) 1282-1294 Protonation in germanium equivalents of ringwoodite, anhydrous phase B, and superhydrous phase B Note: Ge-ringwoodite Locality: synthetic _database_code_amcsd 0004619 8.246 8.246 8.246 90 90 90 *Fd-3m .125 .125 .125 atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Mg 0 0 0 .021 .021 .021 .021 -.001 -.001 -.001 Ge .125 .125 .625 .020 .020 .020 .020 0 0 0 O .0002 .0002 .7498 .022 .022 .022 .022 -.002 -.002 .002