Uranophane - alpha Barinova A V, Rastsvetaeva R K, Sidorenko G A, Pushcharovsky D Y Doklady Chemistry 378 (2001) 122-124 Crystal structure of high-symmetry alpha-uranophane Locality: Strel'tsovskii ore field, Transbaikal region, Russia _database_code_amcsd 0012507 6.670 15.92 6.985 90 90 97.3 P2_1/b atom x y z occ Biso Ca .2761 .0187 .1831 .5 .92 U .1337 .7557 .2174 .97 Si .6595 .7179 .2194 .78 O1 .140 .8693 .202 .5 O2 .811 .7308 .041 .9 O3 .124 .6418 .236 .8 O4 .472 .7718 .214 .9 O5 .817 .2448 .108 1.1 OH .572 .6144 .229 2.0 Wat1 0 0 0 5.1 Wat2 .214 .4893 -.003 3.4 Wat3 .587 .9347 .1292 5.5