allemontite

noun

al·​le·​mont·​ite

ˌaləˈmänˌtīt

plural -s

: a mineral consisting of an arsenic antimony compound SbAs occurring in metallic-looking reniform masses

Word History

Etymology

French, from Allemont, Allemond, Isère department, France, its locality + French -ite

First Known Use

1850, in the meaning defined above

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