richellite

noun

ri·​chell·​ite

rə̇ˈsheˌlīt

plural -s

: a mineral Ca₃Fe₁₀(PO₄)₈(OH,F)₁₂.nH₂O(?) consisting of a basic hydrous fluophosphate of iron and calcium in yellow masses

Word History

Etymology

French richellite, from Richelle, near Visé, Liége province, Belgium + French -ite

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