单词 | aluminite |
释义 | aluminiten. Mineralogy. A whitish mineral typically occurring in opaque, clay-like masses and consisting of a hydrated basic sulphate of aluminium. Cf. websterite n.1Chemical formula: Al2SO4(OH)4·7H2O. Crystal system: monoclinic.In quot. 1805 perhaps in a less specific sense: cf. discussion in etymology. ΘΚΠ the world > the earth > minerals > types of mineral > sulphates > [noun] > other simple sulphates > hydrous or hydrated aluminite1805 websterite1823 mascagnine1836 morenosite1868 mallardite1883 szmikite1892 hexahydrite1911 minasragrite1915 retgersite1949 pentahydrite1951 1805 S. Weston Werneria I. 90 Wavellite. Hydrate of Argill, or Aluminite. This earth was discovered by Dr. Wavell in the neighbourhood of Barnstaple, and has been analysed by Mr. Davy, who found it to contain 3 parts in 100 alumine, and the rest water, without reckoning what escaped unaccounted for. 1818 Ann. Philos. 12 31 Stromeyer has analyzed the aluminite found some years ago at Newhaven in Sussex, and made..comparative analyses of the aluminite of Halle. 1823 W. Phillips Elem. Introd. Mineral. (ed. 3) 145 Subsulphate of alumine. Aluminite... It was first found, with selenite in calcareous loam, near Halle in Saxony. 1868 H. Watts Dict. Chem. (1871) V. 579 The tribasic sulphate [of aluminium], 3Al2O3.SO3.9H2O, occurs native as aluminite. 1921 Engin. & Mining Jrnl. 30 July 179/2 Aluminite is rarely found in nature. 1966 Engin. Geol. 1 455 In the case of sample 2, after treatment traces of gibbsite, aluminite, calcite and Al2(SO4)3 were found to be present. 2002 V. S. Ramachandran et al. Handbk. Thermal Anal. Constr. Materials 518 The clays contain kaolinite, feldspar, quartz, aluminite..and organic substances. This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021). < n.1805 |
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