Yazganite Sarp H, Cerny R European Journal of Mineralogy 17 (2005) 367-373 Yazganite, NaFe3+2(Mg,Mn)(AsO4)3*H2O, a new mineral: its description and crystal structure Note: variant of the johillerite structure, alluaudite group Locality: Volcanic complex of Erciyes, Kiranardi, Turkey _database_code_amcsd 0007100 12.181 12.807 6.6391 90 112.441 90 C2/c atom x y z occ Uiso Na 0 .5 0 .0175 Fe3+ .28082 .34398 .36711 .0082 Mg 0 .73268 .25 .656 .0142 Mn 0 .73268 .25 .344 .0142 As1 0 .27992 .25 .0085 As2 .24268 .10706 .12897 .0087 O1 .3291 .4919 .3890 .0162 O2 .3854 .0911 .1883 .0175 O3 .1071 .3627 .2441 .0129 O4 .3282 .3317 .1126 .0125 O5 .2254 .1814 .3303 .0113 O6 .0468 .2044 .4759 .0138 Wat .997 .0004 .272 .5 .020