Spencerite Fanfani L, Nunzi A, Zanazzi P F Mineralogical Magazine 38 (1972) 687-692 Structure and twinning in spencerite Locality: Salmo, British Columbia, Canada _database_code_amcsd 0014456 10.448 5.282 11.208 90 116.73 90 P2/c atom x y z Biso Zn1 0 0 0 1.75 Zn2 0 .0226 .25 1.46 Zn3 .2863 .7028 .4906 1.29 P .1712 .5097 .1936 .16 O1 .0775 .2680 .1566 .69 O2 .0746 .7469 .1641 1.00 O3 .2805 .5027 .3375 1.28 O4 .2538 .5257 .1111 .89 OH .1691 .0027 .4414 1.11 Wat1 .4967 .7873 .5873 1.42 Wat2 .5 .8153 .25 .70