amblygonite

noun

am·​blyg·​o·​nite

amˈbligəˌnīt

plural -s

: a mineral (Li, Na)AlPO₄(F, OH) consisting of basic lithium aluminum phosphate commonly containing sodium and fluorine and occurring in white cleavable masses

Word History

Etymology

German amblygonit, from Greek amblygōnios obtuse-angled (from ambly- + -gōnios, from gōnia angle) + German -it -ite

First Known Use

1820, in the meaning defined above

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