单词 | miersite |
释义 | miersiten. Mineralogy. A tetrahedral iodide of silver and copper, (Ag,Cu)I (with the ratio of silver to copper approximately 4:1), crystallizing in the cubic system and occurring as crusts and aggregates of yellow crystals. ΘΚΠ the world > the earth > minerals > types of mineral > halides > [noun] > iodides iodite1854 iodyrite1854 iodargyrite1868 schwartzembergite1868 tocornalite1880 iodobromite1890 marshite1893 miersite1898 iodembolite1902 1898 L. J. Spencer in Nature 14 Apr. 574/2 The new mineral has been named in honour of Mr. H. A. Miers, F.R.S., Professor of Mineralogy at Oxford, who first correctly determined the crystalline form of marshite, a mineral so closely resembling miersite in appearance that the two species are only distinguished by chemical tests. 1901 Mineral. Mag. 13 45 Miersite..mixes isomorphously with marshite (CuI)..and..forms intimate intergrowths with iodyrite. 1922 Mineral. Abstr. 1 305 Silver iodide and copper iodide when fused together show..specks of birefringent iodyrite in a base of isotropic miersite. 1951 C. Palache et al. Dana's Syst. Mineral. (ed. 7) II. 20 Both miersite and iodyrite are obtained by metathical [read metathetical] reaction in water solution at ordinary temperature. 1998 Mineral. Mag. 62 471 Microprobe analysis of marshite and miersite from Broken Hill, Australia, demonstrate extensive solid solution between the end-members CuI and AgI, indicating the possibility of a complete solid-solution series. This entry has been updated (OED Third Edition, March 2002; most recently modified version published online March 2022). < n.1898 |
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