smaltite

noun

smalt·​ite

ˈsmȯlˌtīt

variants or less commonly smaltine

-ltə̇n,

-lˌtēn

plural -s

: a tin-white or gray isometric mineral (Co,Ni)As_3−x of metallic luster that is an arsenide of cobalt and nickel and is isomorphous with skutterudite and chloanthite (hardness 5.5–6, specific gravity 6.4–6.6)

Word History

Etymology

smaltite alteration of smaltine; smaltine from French, from smalt + -ine

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