redingtonite
noun
red·ing·ton·ite
ˈrediŋtəˌnīt
plural -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
Word History
Etymology
Redington mercury mine, Napa county, California + English -ite
- posttension
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