Gravegliaite Basso R, Lucchetti G, Palenzona A Zeitschrift fur Kristallographie 197 (1991) 97-106 Gravegliaite, MnSO3*3H2O, a new mineral from Val Graveglia (Northern Apennines, Italy) Locality: Gambatesa mine, Val Graveglia, Northern Apennines, Italy _database_code_amcsd 0011006 9.763 5.635 9.558 90 90 90 Pnma atom x y z Biso Mn .2236 .25 .0622 1.17 S .9344 .25 .9099 1.01 O1 .0892 .25 .8824 2.03 O2 .1185 .5348 .1716 1.85 O3 .3686 .25 .2367 2.28 O4 .3638 .5056 .9507 1.41 H3A .445 .25 .294 H3B .284 .25 .305 H4A .358 .505 .859 H4B .358 .644 .950