diabantite

noun

di·​a·​ban·​tite

ˌdīəˈbanˌtīt

plural -s

: a mineral approximately (Mg,Fe,Al)₃(SiAl)₂O₅(OH)₄ consisting of a basic silicate of magnesium, iron, and aluminum

Word History

Etymology

modification (influenced by -ite) of German diabantachronnyn, irregular from German diabase + Greek chrōnnyein to stain

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