单词 | planerite |
释义 | planeriten. Mineralogy. A mineral closely similar to turquoise in structure, but lacking copper atoms. ΘΚΠ the world > the earth > minerals > types of mineral > phosphates > [noun] > hydrous aluminium phosphates hydrargillite1805 wavellite1805 brazilianite1818 lasionite1819 peganite1832 fischerite1846 variscite1850 planerite1868 sphaerite1868 trolleite1868 metavariscite1925 1868 J. D. Dana Syst. Mineral. (ed. 5) 576 Planerite. Under this name Hermann has described..a mineral from the copper mines of Gumeschefsk, in the Ural. It occurs in thin, sub-crystalline, botryoidal layers in the cavities of a quartz rock... Color on fresh surface verdigris-green, passing to olive-green on exposure to the air. 1951 C. Palache et al. Dana's Syst. Mineral. (ed. 7) II. 762 The possible identity of coeruleolactite and fischerite with planerite has been suggested. 1998 Mineral. Mag. 62 93 Planerite, ideally □Al6(PO4)2(PO3OH)2(OH)8.4H2O, is white, pale blue or pale green, and occurs as mamillary, botryoidal crusts as much as several mm thick. This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022). < |
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