redingtonite
noun
red·ing·ton·ite
\ˈrediŋtəˌnīt\
Definition of redingtonite
-s
: 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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Origin and Etymology of redingtonite
Redington mercury mine, Napa county, California + English -ite
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