Medaite Nagashima M, Armbruster T Mineralogical Magazine 74 (2010) 55-71 Ardennite, tiragalloite and medaite: structural control of (As5+,V5+,Si4+)O4 tetrahedra in silicates Locality: Molinello, Val Graveglia, Liguria, Italy _database_code_amcsd 0019903 6.7079 28.8700 7.5754 90 95.309 90 P2_1/n atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Mn1 .37011 .02233 .15464 .0127 .0108 .0125 .0156 -.0003 .0054 -.0013 Mn2 .68234 .31735 .02437 .0134 .0132 .0133 .0144 -.0009 .0053 -.0008 Mn3 .45590 .13620 .22327 .0135 .0102 .0138 .0171 .0000 .0050 -.0007 Mn4 .66860 .08722 .91799 .0143 .0117 .0152 .0168 -.0016 .0049 -.0023 Mn5 .14129 .07612 .44308 .85 .0165 .0158 .0167 .0174 -.0010 .0041 -.0034 Ca5 .14129 .07612 .44308 .15 .0165 .0158 .0167 .0174 -.0010 .0041 -.0034 Mn6 .47417 .25292 .31001 .0162 .0132 .0148 .0212 .0000 .0061 .0026 SiT1 .6963 .16640 .5900 .0121 .0089 .0123 .0157 -.0008 .0044 .0006 SiT2 .6427 .06206 .5155 .0115 .0091 .0118 .0141 .0005 .0040 .0003 SiT3 .8646 .01194 .2283 .0108 .0078 .0122 .0129 .0004 .0037 -.0001 SiT4 .8158 -.09424 .1639 .0109 .0089 .0118 .0125 .0004 .0039 .0004 SiT5 1.0365 -.14586 -.1145 .0118 .0078 .0122 .0158 -.0001 .0042 -.0005 VT6 .49437 .21308 .88117 .595 .0131 .0110 .0129 .0161 -.0005 .0056 -.0004 AsT6 .49437 .21308 .88117 .175 .0131 .0110 .0129 .0161 -.0005 .0056 -.0004 SiT6 .49437 .21308 .88117 .23 .0131 .0110 .0129 .0161 -.0005 .0056 -.0004 O1 .6574 .25717 .8581 .0158 .014 .016 .019 -.0041 .0085 -.0028 O2 .4515 .20247 1.0881 .0165 .021 .016 .014 .0002 .0058 .0029 O3 .2786 .22578 .7603 .0200 .017 .022 .022 .0043 .0031 -.002 O4 .6085 .16409 .7879 .0144 .014 .015 .015 -.0032 .0041 -.0002 O5 .5142 .18465 .4517 .0147 .015 .015 .014 -.0001 .0024 -.0007 O6 .8925 .19769 .6031 .0146 .013 .016 .016 -.0024 .0046 -.0024 O7 .7559 .11254 .5489 .0168 .0116 .012 .027 -.0032 .0034 -.0003 O8 .4490 .06951 .3755 .0122 .0123 .012 .013 -.0005 .0053 .0010 O9 .6000 .04212 .7055 .0151 .013 .014 .019 .0015 .0047 .0013 O10 .8039 .02901 .4241 .0178 .016 .022 .015 .0048 .0028 -.0002 O11 1.0746 .03675 .2102 .0156 .0083 .014 .025 -.0022 .0062 .0023 O12 .6878 .02268 .0751 .0131 .0117 .0112 .017 .0001 .0036 -.0014 O13 .8956 -.04391 .2431 .0184 .016 .009 .029 -.0004 .0013 -.0045 O14 .6309 -.09010 .0123 .0135 .0111 .016 .014 .0011 .0042 -.0013 O15 .7774 -.12089 .3425 .0140 .016 .017 .010 .0004 .0071 .0004 O16 1.0027 -.11709 .0683 .0158 .0126 .017 .019 .0026 .0056 -.0045 O17 1.2531 -.12827 -.1535 .0150 .0087 .023 .014 -.0002 .0053 -.0021 O18 .8649 -.13940 -.2771 .0121 .0112 .014 .011 .0014 .0013 .0002 O19 1.0268 -.20114 -.0532 .0187 .026 .016 .014 -.0032 .0017 -.0024 H19 .954 -.217 -.154 .05