Manganiandrosite-(Ce) Cenki-Tok B, Ragu A, Armbruster T, Chopin C, Medenbach O European Journal of Mineralogy 18 (2006) 569-582 New Mn- and rare-earth-rich epidote-group minerals in metacherts: manganiandrosite-(Ce) and vanadoandrosite-(Ce) Locality: Praborna manganese mine, Saint-Marcel, Aosta valley, Alps, Italy _database_code_amcsd 0007163 8.901 5.738 10.068 90 113.425 90 P2_1/m atom x y z occ Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Mn2+A1 .7594 .75 .1531 .60 1.14 .022 .009 .014 0 .009 0 CaA1 .7594 .75 .1531 .40 1.14 .022 .009 .014 0 .009 0 CeA2 .5920 .75 .4282 .46 1.05 .0149 .0123 .0110 0 .0034 0 LaA2 .5920 .75 .4282 .23 1.05 .0149 .0123 .0110 0 .0034 0 NdA2 .5920 .75 .4282 .12 1.05 .0149 .0123 .0110 0 .0034 0 SmA2 .5920 .75 .4282 .01 1.05 .0149 .0123 .0110 0 .0034 0 SrA2 .5920 .75 .4282 .07 1.05 .0149 .0123 .0110 0 .0034 0 CaA2 .5920 .75 .4282 .02 1.05 .0149 .0123 .0110 0 .0034 0 Mn3+M1 0 0 0 .63 1.03 .017 .006 .016 .000 .007 .000 Fe3+M1 0 0 0 .23 1.03 .017 .006 .016 .000 .007 .000 TiM1 0 0 0 .10 1.03 .017 .006 .016 .000 .007 .000 MgM1 0 0 0 .04 1.03 .017 .006 .016 .000 .007 .000 AlM2 0 0 .5 .8 .015 .003 .013 -.001 .005 .000 Mn2+M3 .3167 .25 .2066 .96 1.06 .016 .008 .013 0 .002 0 Mn3+M3 .3167 .25 .2066 .04 1.06 .016 .008 .013 0 .002 0 Si1 .3490 .75 .0325 .73 .012 .006 .010 0 .004 0 Si2 .6932 .25 .2828 .84 .014 .006 .012 0 .006 0 Si3 .1929 .75 .3248 .57 .014 .003 .008 0 .006 0 O1 .2456 .989 .0212 1.0 O2 .3162 .972 .3596 .7 O3 .8060 .012 .3322 1.0 O4 .057 .25 .132 1.1 O5 .050 .75 .1588 1.0 O6 .079 .75 .421 .4 O7 .516 .75 .176 1.1 O8 .559 .25 .347 1.2 O9 .400 .75 -.106 1.2 OH10 .091 .25 .428 .5