TY - RPRT TI - Dwornikite, (Ni,Fe)SO 4 .H 2 O, a member of the kieserite group from Minasragra, Peru AU - C. Milton AU - H. T. Evans AU - R. G. Johnson PY - 2018 DO - 10.1180/minmag.1982.046.340.09 UR - https://pubs.usgs.gov/publication/70206434 ID - 70206434 ER -