rockbridgeite

noun

rock·​bridge·​ite

ˈräkˌbriˌjīt

plural -s

: a mineral (Fe^IIFe₄^III(PO₄)₃(OH)₅) consisting of a basic phosphate of iron isomorphous with frondelite

Word History

Etymology

Rockbridge County, west central Virginia, its locality + English -ite

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