al·​le·​mont·​ite | \ ˌaləˈmänˌtīt\
plural -s

Definition of allemontite

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

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First Known Use of allemontite

1850, in the meaning defined above

History and Etymology for allemontite

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

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The first known use of allemontite was in 1850

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