red·ing·ton·ite \ˈrediŋtəˌnīt\noun (-s) Etymology:Redington mercury mine, Napa county, Calif. + English -ite : a mineral approximately (Fe1Mg1Ni)(Cr,Al)2(SO4)4.22H2O consisting of a hydrous sulfate of iron, magnesium, nickel, chromium, and aluminum that is possibly a chromium halotrichite