单词 | needlestone |
释义 | needlestonen. Mineralogy. Now historical. A form of zeolite with needle-like crystals; mesotype. ΘΚΠ the world > the earth > minerals > mineral structure or appearance > [noun] > crystal structure > specific form needlestone1805 rose1851 spodiosite1887 rosette1905 sand-barite1906 allotriomorph1914 desert rose1929 rock rose1933 peloid1963 1805 R. Jameson Syst. Mineral. II. 599 Needle or Acicular Stone. Nadelstein.—Werner... It is also known under the name Needle Zeolite. 1820 H. J. Brooke in Ann. Philos. 16 193 I shall call the Auvergne variety, Mesotype; that from Iceland and Ferro, Needlestone. 1836 T. Thomson Outl. Mineral. I. 318 Most of the needlestones found in the amygdaloidal rocks in Scotland belong to it likewise. 1843 J. E. Portlock Rep. Geol. Londonderry 220 Implanted tufts of radiating crystals of needle-stone frequently occur. 1993 A. M. Clark Hey's Mineral Index (ed. 3) 488/1 Needlestone, syn. of mesotype. This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022). < n.1805 |
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