Viitaniemiite Pajunen A, Lahti S I American Mineralogist 69 (1984) 961-966 The crystal structure of viitaniemiite Locality: Viitaniemi pegmatite, Orivesi, southern Finland _database_code_amcsd 0000961 5.457 7.151 6.836 90 109.36 90 P2_1/m atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Ca .5 0 .5 .592 0.0172 0.0099 0.0094 -.0011 0.0048 -.0009 Mn .5 0 .5 .401 0.0172 0.0099 0.0094 -.0011 0.0048 -.0009 Al 0 0 0 0.0125 0.0076 0.0068 -.0006 0.0029 -.0003 Na .4675 .25 -.0463 0.0275 0.0235 0.0387 0 0.0298 0 P -.0366 .25 .3683 0.0117 0.0102 0.0066 0 0.0041 0 F .3468 .0030 .1547 0.0137 0.0160 0.0154 -.0001 0.0008 0.0031 O1 .2456 .25 .5160 0.0133 0.0370 0.0136 0 0.0046 0 O2 -.2336 .25 .4860 0.0151 0.0188 0.0080 0 0.0067 0 O3 -.0850 .0755 .2300 0.0401 0.0083 0.0168 -.0046 0.0194 -.0010 O4 .0239 .25 -.0815 0.0191 0.0076 0.0063 0 0.0052 0 H -.005 .25 -.201