| 单词 | copper-pyrites |
| 释义 | > as lemmascopper-pyrites copper-pyrites n. = chalcopyrite n. ΚΠ 1776 J. Seiferth tr. C. E. Gellert Metallurgic Chym. 391 Copper-pyrite. 1796 R. Kirwan Elements Mineral. (ed. 2) II. 141 Copper pyrites projected on burning coals..gives a green color to flame. 1805 R. Jameson Treat. External Characters Minerals 38 Of the single [three-sided pyramid] we have examples in..copper pyrites, and many other minerals. 1839 C. Darwin in R. Fitzroy & C. Darwin Narr. Surv. Voy. H.M.S. Adventure & Beagle III. xiv. 317 The Chilian miners were so convinced that copper pyrites contained not a particle of copper, that [etc.]. 1876 D. Page Adv. Text-bk. Geol. (ed. 6) xv. 274 Marly flagstones often largely impregnated with copper-pyrites. < as lemmas |
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