Alluaudite Hatert F, Rebbouh L, Hermann R P, Fransolet A M, Long G J, Grandjean F American Mineralogist 90 (2005) 653-662 Crystal chemistry of the hydrothermally synthesized Na2(Mn1-xFe2+x)2Fe3+(PO4)3 alluaudite-type solid solution Sample: Na2Mn2Fe3+(PO4)3 (x = 0.00) _database_code_amcsd 0003754 12.024 12.629 6.515 90 114.58 90 C2/c atom x y z occ Biso NaA2' 0 -.021 .25 .922 2.4 NaA1 .5 0 0 .82 1.2 MnA1 .5 0 0 .18 1.2 MnM1 0 .2693 .25 .88 2.4 NaM1 0 .2693 .25 .12 2.4 MnM2 .2779 .6559 .359 .48 .5 Fe3+M2 .2779 .6559 .359 .50 .5 P1 0 -.287 .25 2.1 P2 .2344 -.1056 .134 2.1 O1 .463 .710 .553 .9 O2 .089 .6318 .247 .9 O3 .334 .671 .114 .9 O4 .137 .398 .340 .9 O5 .232 .823 .319 .9 O6 .327 .503 .393 .9