Larderellite Merlino S, Sartori F Acta Crystallographica B25 (1969) 2264-2270 The crystal structure of lardellite, NH4B5O7(OH)2*H2O Locality: synthetic _database_code_amcsd 0009364 9.47 7.63 11.65 90 97.08 90 P2_1/c atom x y z Biso NH4 .3219 .4393 .2658 1.93 B1 .5656 .3091 .0710 1.31 B2 .7487 .5111 .0448 1.7 B3 .7000 .4533 .2431 .92 B4 .6314 .5935 .4192 1.25 B5 .8246 .3909 .4418 .82 O1 .4562 .2012 .0219 1.07 O2 .6369 .4037 -.0036 1.27 Oh3 .8215 .5942 -.0357 1.26 O4 .5997 .3232 .1879 1.34 O5 .7736 .5426 .1583 1.07 O6 .6205 .5779 .3047 1.01 O7 .8069 .3614 .3275 1.25 O8 .7350 .5005 .4926 1.22 Oh9 .9322 .3067 .5088 1.41 Ow10 .9552 .1128 .2295 1.9 H1 .056 .089 .26 5 H2 .899 .208 .267 5 H3 .941 .338 .597 5 H4 .911 .671 -.026 5