英语词汇“sylvanite”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮

单词

sylvanite

释义

sylvanite Min.|ˈsɪlvənaɪt|
[f. (Tran)sylvania, where found: see -ite¹. Cf. sylvanium (G. sylvan, Werner), an old name for tellurium.]
a. Native tellurium, with slight admixture of gold, iron, etc. ? Obs.
b. A telluride of gold and silver (sometimes also containing lead), occurring in crystals or masses of a steel-grey, silver-white, or yellow colour with metallic lustre.
1796Kirwan Elem. Min. (ed. 2) II. 324, I call it [sc. the new semi-metal] Sylvanite, from its being found in Transylvania.1811Pinkerton Petral. II. 239 Bornite,..with sylvanite, from Nagyag in Transilvania.1868Dana Min. (ed. 5) 81 Sylvanite... Comp... Tellurium 55·8, gold 28·5, silver 15·7. Antimony sometimes replaces part of the tellurium, and lead part of the other metals.
Hence sylvaˈnitic a., containing sylvanite.
1796Kirwan Elem. Min. (ed. 2) II. 101 The Sylvanitic Ore..is..of a whitish colour.

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