| 释义 |
palygorskite Min.|pælɪˈgɔːskaɪt|
Also † paligorskite.
[ad. G. paligorskit (T. v. Ssaftschenkow 1862, in Verh. d. k. Ges. für d. Ges. Mineral. zu St. Petersburg 102), f. Palȳgorsk, name of a locality by the Popovka river in the Ukrainian S.S.R.: see -ite1.]
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.
1868J. D. Dana Syst. Min. (ed. 5) 406 (heading) Paligorskite. 1916Chem. Abstr. X. 581 (heading) Studies in the magnesian silicates. The group of zillerite, zermattite and palygorskite. 1921Mineral. Abstr. I. 237 Paligorskite (‘mountain-cork’) from Billowitz near Brünn [Moravia]. 1968I. 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. 1973Clay Minerals X. 28 Under a binocular microscope, the palygorskite shows fine interwoven fibres similar to those of coarse-textured paper. |