Footemineite, the Mn-analog of atencioite, from the Foote mine, Kings Mountain, Cleveland County, North Carolina, U.S.A., and its relationship with other roscherite-group minerals - Atencio, Daniel; Matioli, Paulo Anselmo; Smith, Jason B.; Chukanov, Nikita V.; Coutinho, José Moacyr Vianna; Rastsvetaeva, Ramiza K; Möckel, Steffen (American Mineralogist, 2008)