Surkhobite Rastsvetaeva R K, Eskova E M, Dusmatov V D, Chukanov N V, Schneider F European Journal of Mineralogy 20 (2008) 289-295 Surkhobite: revalidation and redefinition with the new formula, (Ba,K)2CaNa(Mn,Fe2+,Fe3+)8Ti4(Si2O7)4O4(F,OH,O)6 Locality: massif Darai-Pioz, Tajikistan _database_code_amcsd 0007261 10.723 13.826 20.791 90 95.00 90 C2 atom x y z occ Uiso Ba1 0 .0265 0 .75 .0093 KBa1 0 .0265 0 .25 .0093 Ba2 .7508 .7726 .5009 .75 .0199 KBa2 .7508 .7726 .5009 .25 .0199 K 0 .5672 0 .55 .0230 BaK 0 .5672 0 .3 .0230 Na1 0 .5301 .5 .027 Na2 0 .031 .5 .024 Ca .2508 .7749 .0006 .80 .0161 NaCa .2508 .7749 .0006 .15 .0161 SrCa .2508 .7749 .0006 .05 .0161 Fe1 .8768 .5248 .2557 .0115 Fe2 .1224 .6514 .2478 .0116 Fe3 .8748 .7770 .2439 .0115 Mn,Fe1 .8744 .0250 .2543 .545 .0117 FeMn,Fe1 .8744 .0250 .2543 .455 .0117 Mn,Fe2 .1231 .3986 .2492 .545 .0138 FeMn,Fe2 .1231 .3986 .2492 .455 .0138 Mn1 .8751 .2733 .2441 .0111 Mn2 .1250 .9017 .2458 .0121 Mn3 .1239 .1502 .2467 .0099 Ti1 .7334 .0437 .3998 .0154 Ti2 .7333 .5446 .3985 .0139 Ti3 .0166 .2554 .1008 .7925 .0077 NbTi3 .0166 .2554 .1008 .1425 .0077 ZrTi3 .0166 .2554 .1008 .025 .0077 Ti4 .0161 .7942 .1007 .7925 .0112 NbTi4 .0161 .7942 .1007 .1425 .0112 ZrTi4 .0161 .7942 .1007 .025 .0112 Si1 .9796 .1655 .3810 .0121 Si2 .9822 .6662 .3808 .0130 Si3 .2575 .4177 .1194 .0086 Si4 .2842 .9170 .1192 .0081 Si5 .2836 .1344 .1201 .0098 Si6 .2562 .6341 .1191 .0120 Si7 .9806 .3837 .3806 .0117 Si8 .9811 .8851 .3798 .0122 O1 .9647 .3914 .3064 .013 O2 .2794 .4021 .1974 .007 O3 .9638 .1565 .3030 .009 O4 .2771 .6441 .1987 .013 O5 .2900 .1473 .1970 .012 O6 .1403 .9015 .0873 .009 O7 .3842 .4007 .0829 .005 O8 .9669 .6573 .3008 .012 O9 .2880 .9013 .1994 .010 O10 .9615 .8956 .3040 .019 O11 .3764 .2044 .0843 .006 O12 .7195 .025 .3146 .025 O13 .0295 .7894 .1865 .005 O14 .1519 .7067 .0877 .009 O15 .0275 .2672 .1922 .017 O16 .7205 .523 .3129 .014 O17 .3255 .0210 .1013 .004 O18 .8632 .6393 .4121 .030 O19 .6007 .9525 .4145 .026 O20 .1085 .6500 .4132 .024 O21 .8617 .912 .4136 .044 O22 .3815 .8458 .0877 .013 O23 .8724 .101 .4140 .039 O24 .1092 .1517 .4108 .019 O25 .6009 .4511 .4135 .022 O26 .1462 .3491 .0851 .008 O27 .1393 .1511 .0860 .011 O28 .8695 .4508 .4118 .026 O29 .2073 .5265 .0991 .012 O30 .036 .278 .3922 .064 O31 .042 .7769 .4011 .024 O32 .3917 .6493 .0901 .009 OH1 .0350 .5284 .2092 .015 OH2 0 .2559 0 .011 OH3 0 .8053 0 .0067 F1 .0321 .0159 .2056 .6862 .012 OF1 .0321 .0159 .2056 .3138 .012 F2 .2097 .7795 .2956 .6862 .013 OF2 .2097 .7795 .2956 .3138 .013 F3 .7402 .0069 .5006 .6862 .014 OF3 .7402 .0069 .5006 .3138 .014 F4 .7087 .7767 .2916 .6862 .016 OF4 .7087 .7767 .2916 .3138 .016