Jahnsite-(CaFeMg) Elliott P European Journal of Mineralogy 28 (2016) 991-996 Jahnsite-(CaFeMg), a new mineral from Tom's quarry, South Australia: description and crystal structure Locality: Tom's quarry, South Australia, Australia _database_code_amcsd 0020893 14.975 7.1645 9.928 90 110.65 90 P2/a atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) CaX .25 .9784 0 .70 .0206 .0202 .0084 .027 0 .0000 0 NaX .25 .9784 0 .17 .0206 .0202 .0084 .027 0 .0000 0 Mn2+X .25 .9784 0 .16 .0206 .0202 .0084 .027 0 .0000 0 Fe2+M1 .25 .4786 0 .0125 .0108 .0117 .0177 0 .0084 0 MgM2 .5 0 .5 .33 .0180 .0214 .0072 .0158 -.0071 -.0052 .0012 Mn2+M2 .5 0 .5 .43 .0180 .0214 .0072 .0158 -.0071 -.0052 .0012 Fe3+M2 .5 0 .5 .24 .0180 .0214 .0072 .0158 -.0071 -.0052 .0012 MgM2 .25 .5036 .5 .0073 .0067 .0091 .0060 0 .0020 0 Fe3+M3 0 0 0 .99 .0087 .0083 .0017 .0169 .0001 .0055 .0000 AlM3 0 0 0 .01 .0087 .0083 .0017 .0169 .0001 .0055 .0000 Fe3+M3 0 .5 0 .0077 .0062 .0044 .0127 .0032 .0037 -.0006 P1 .18729 .2655 .1889 .0075 .0031 .0060 .0116 -.0041 .0003 .0026 P2 .08120 .7470 .7967 .0079 .0058 .0068 .0110 -.0009 .0028 .0025 O1 .2806 .2437 .1523 .0307 .019 .041 .036 -.005 .014 .009 O2 .2081 .3019 .3451 .0277 .031 .028 .026 .000 .012 .000 O3 .1275 .0887 .1404 .0315 .022 .009 .047 -.010 -.010 .002 O4 .1408 .4339 .0884 .0231 .014 .019 .036 .002 .009 .007 O5 .1871 .6887 .8578 .0308 .012 .047 .030 .002 .003 .005 O6 .0513 .7832 .6364 .0261 .034 .019 .029 .008 .015 .001 O7 .0746 .9269 .8776 .0222 .028 .015 .029 -.008 .017 .002 O8 .0196 .5914 .8221 .0284 .029 .022 .042 -.004 .022 .003 OH .0268 .7493 .0962 .0166 .010 .012 .026 -.001 .0045 .000 Wat1 .2231 .7227 .3467 .0402 .051 .028 .041 -.005 .015 .009 Wat2 .4542 .2086 .3475 .0392 .054 .022 .023 .011 -.008 -.007 Wat3 .6301 .9921 .4654 .0400 .024 .043 .055 -.011 .017 -.010 Wat4 .3936 .5124 .5170 .0345 .030 .032 .045 .010 .018 .002