单词 | smaltite |
释义 | smaltiten. Mineralogy. A greyish-white metallic mineral consisting chiefly of cobalt arsenide, occurring as cubic or octahedral crystals and as compact or granular masses; (also) = skutterudite n.Smaltite is a variety of skutterudite typically containing some iron and nickel and a reduced proportion of arsenic. Crystal system: cubic. ΘΚΠ the world > the earth > minerals > types of mineral > sulphides and related minerals > [noun] > skutterudite group > specific minerals smaltine1835 white nickel1837 chloanthite1850 skutterudite1850 smaltite1852 speiss-cobalt1872 nickel-skutterudite1892 1852 H. J. Brooke & W. H. Miller Phillips's Elem. Introd. Mineral. (new ed.) 103 Erythrine [sc. in the form of] Smaltite. 1868 J. D. Dana Syst. Mineral. (ed. 5) 71 Cobaltite..and smaltite afford the greater part of the smalt of commerce. 1875 Encycl. Brit. II. 635/1 The ores employed in the metallurgy of arsenic are..arsenical pyrites, smaltite, and cobaltite. 1956 Financial Times 10 Dec. 47/1 More than 30 years ago the main source of the metal was Cobalt, Ontario, where smaltite and cobaltite occurred in veins worked primarily for their silver content. 2001 P. Ball Bright Earth v. 118 Cobalt occurs naturally in several minerals, notably the ore smaltite, a mixture of cobalt and nickel arsenides. This entry has been updated (OED Third Edition, December 2012; most recently modified version published online March 2022). < n.1852 |
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