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redingtonite

noun
red·​ing·​ton·​ite | \ ˈrediŋtəˌnīt\
plural -s

Definition of redingtonite

: 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

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History and Etymology for redingtonite

Redington mercury mine, Napa county, California + English -ite

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