senarmontite

American  

[sen-er-mon-tahyt] / ˌsɛn ərˈmɒn taɪt /

noun

1. a mineral, antimony trioxide, Sb 2 O 3 , occurring in pearl-colored isometric octahedrons: a dimorph of valentinite.

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senarmontite British  

/ ˌsɛnɑːˈmɒntaɪt /

noun

1. a white or grey mineral consisting of antimony trioxide in cubic crystalline form. Formula: Sb 2 O 3

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Etymology

Origin of senarmontite

1850–55; named after Henri de Sénarmont (died 1862), French mineralogist; -ite ¹

Example Sentences

Cervantite, senarmontite, and valentinite are native oxides of ~.

From Project Gutenberg

Antimony trioxide occurs as the minerals valentinite and senarmontite, and can be artificially prepared by burning antimony in air; by heating the metal in steam to a bright red heat; by oxidizing melted antimony with litharge; by decomposing antimony trichloride with an aqueous solution of sodium carbonate, or by the action of dilute nitric acid on the metal.

From Project Gutenberg

Antimony oxides, including senarmontite, cervantite, and others, are formed near the surface, and in some of the deposits of Mexico and Algeria they supply a large part of the values recovered.

From Project Gutenberg