Ilvaite Bonazzi P, Bindi L American Mineralogist 87 (2002) 845-852 Structural properties and heat-induced oxidation-dehydrogenation of manganoan ilvaite from Perda Niedda mine, Sardinia, Italy Sample: PN6-RT, Crystal at room temperature _database_code_amcsd 0002848 13.014 8.867 5.838 90 90 90 Pnam atom x y z occ Uiso CaA .81315 .37051 .75 .98 .0087 MnA .81315 .37051 .75 .02 .0087 FeM1 .89039 .05037 .00620 .0072 MnM2 .93911 .73858 .25 .72 .0075 FeM2 .93911 .73858 .25 .28 .0075 Si1 .95892 .36652 .25 .0060 Si2 .67992 .22666 .25 .0060 O1 .0093 .0250 .75 .0124 O2 .9367 .2712 .0152 .0086 O3 .7771 .1081 .25 .0088 O4 .6716 .3292 .0183 .0086 O5 .5844 .1025 .25 .0085 O6 .6039 .0207 .75 .0121 O7 .7978 .1100 .75 .0087 H .737 .068 .75 .026