Wightmanite Moore P B, Araki T Nature Physical Science 236 (1972) 25-26 Wightmanite, Mg5(O)(OH)5(BO3)*nH2O, a natural drainpipe Locality: Crestmore, California, USA _database_code_amcsd 0014684 13.46 3.1 18.17 90 91.6 90 I2/m atom x y z occ Biso Mg1 .8921 0 .4738 .53 Mg2 .8424 0 .0229 .73 Mg3 .1539 0 .2323 .67 Mg4 .4500 0 .1129 .74 Mg5 .4735 0 .4182 .48 B .2468 0 .3925 .81 O1 0 0 0 1.1 O2 .5 0 0 1.24 O3 .3257 0 .4429 .81 O4 .1508 0 .4178 .79 O5 .2636 0 .3176 .66 OH1 .0429 0 .1539 1.1 OH2 .4149 0 .2183 .63 OH3 .6988 0 .0544 1.02 OH4 .9525 0 .3732 .88 OH5 .6209 0 .4082 .91 Wat1 .688 0 .247 .625 5.6 Wat2 .827 0 .240 .475 4.5 Wat3 .769 .14 .248 .15 2.6