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单词 planerite
释义

planeriten.

Brit. /ˈplanərʌɪt/, U.S. /ˈplænəˌraɪt/
Origin: A borrowing from German. Etymon: German Planerit.
Etymology: < German Planerit (R. Hermann 1862, in Bull. de la Soc. Impériale des Naturalistes de Moscou 35 II. 240) < the name of D. I. Planer , director of the copper mines of Gumeshevsk in the Ural Mountains, Russia, where the mineral was found + German -it -ite suffix1.
Mineralogy.
A mineral closely similar to turquoise in structure, but lacking copper atoms.
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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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n.1868
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