(more fully grey copper ore) a grey sulphide ore of copper; (in later use) spec. = tetrahedrite, n.
| 单词 | θ6618 |
| 释义 | the world > the earth > minerals > types of mineral > sulphides and related minerals > sulpho-salts > [noun] > tetrahedrite (11) grey copper1590 (more fully grey copper ore) a grey sulphide ore of copper; (in later use) spec. = tetrahedrite, n. fahlerz1796 Grey copper or copper-ore, tetrahedrite. panabase1839 A grey mineral consisting of a sulphide of copper, antimony, and other elements. Now called tetrahedrite. tennantite1839 A sulph-arsenide of copper and iron, closely related to tetrahedrite (Chester). fieldite1856 A zinc-containing form of tetrahedrite now regarded as having been an impure specimen. freibergite1856 A variety of tetrahedrite containing silver. tetrahedrite1868 Native sulphide of antimony and copper, with various elements sometimes replacing one or the other of these, often occurring in tetrahedral… panabasite1876 = tetrahedrite, n. malinowskite1878 A variety of tetrahedrite that contains lead and silver. frigidite1887 (See quot. 1887.) schwatzite1887 A mercurial variety of tetrahedrite. |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。