eudialyte

noun

eu·​di·​a·​lyte

yüˈdīəˌlīt

plural -s

: a mineral Na₄(Ca,Fe)₂ZrSi₆O₁₇(OH,Cl)₂ consisting of a brownish red silicate chiefly of sodium, iron, zirconium, and calcium that occurs in crystals or masses and is optically positive (H.5–5.5, specific gravity 2.9–3.0)

Word History

Etymology

German eudialyt, from Greek eudialytos easy to dissolve, from eu- + dialytos capable of being dissolved, from dialyein to dissolve

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