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
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