Caminite Keefer K D, Hochella M F, de Jong B H W S Acta Crystallographica B37 (1981) 1003-1006 The structure of the magnesium hydroxide sulfate hydrate MgSO4.1/3Mg(OH)2.1/3H2O Locality: synthetic _database_code_amcsd 0018250 5.242 5.242 12.995 90 90 90 *I4_1/amd 0 -.25 .125 atom x y z occ Biso Mg 0 0 .5 2/3 1.84 S 0 .75 .125 .95 O1 0 .5195 .1895 1.69 O2 0 .25 .375 1.73 H 0 .4200 .4100 1/3 4.00