单词 | palygorskite |
释义 | palygorskiten. Mineralogy. A silicate of magnesium and aluminium that occurs as soft, light-coloured, fibrous layers, and has a structure based on silica tetrahedra arranged in double chains. ΘΚΠ the world > the earth > minerals > types of mineral > silicates > amphibole (double chain) > [noun] > other uralite1835 gamsigradite1862 palygorskite1868 richterite1868 barkevikite1892 xiphonite1899 narsarsukite1900 winchite1906 juddite1908 imerinite1913 tirodite1938 1868 J. D. Dana Syst. Mineral. (ed. 5) 406 (heading) Paligorskite. 1916 Chem. Abstr. 10 581 (heading) Studies in the magnesian silicates. The group of zillerite, zermattite and palygorskite. 1921 Mineral. Abstr. 1 237 Paligorskite (‘mountain-cork’) from Billowitz near Brünn [Moravia]. 1968 I. Kostov Mineral. ii. v. 352 Sepiolite can be dense or spongy..whereas palygorskite resembles leather or parchment... Both minerals are secondary products found in altered serpentinitic rocks in association with opal, dolomite, and other minerals. 1999 Independent on Sunday 21 Mar. (Review Suppl.) 47/3 The main constituent of Maya blue is palygorskite, a clay that acts as a cage for trapping molecules of indigo and prevents them leaching out. This entry has been updated (OED Third Edition, March 2005; most recently modified version published online March 2022). < n.1868 |
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