fairfieldite

noun

fair·​field·​ite

ˈfa(a)ərˌfēlˌdīt,

ˈferˌ-

plural -s

: a mineral Ca₂Mn(PO₄)₂·2H₂O consisting of a white or pale yellow hydrous calcium manganese phosphate and usually occurring foliated or fibrous (specific gravity 3.07–3.15)

Word History

Etymology

Fairfield county, Connecticut + English -ite

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