单词 | datolite |
释义 | datoliten. Mineralogy. A boron-containing mineral typically occurring as colourless glassy crystals or fine-grained masses, esp. as a secondary mineral on basic igneous rocks.Datolite is a basic calcium borosilicate, CaBSiO4(OH). Crystal system: monoclinic. ΘΚΠ the world > the earth > minerals > types of mineral > silicates > nesosilicates > [noun] > zircon group > datolite datolite1807 botryolite1810 humboldtite1823 homilite1881 1807 Retrospect of Discov. 2 364 Mr. Esmark has discovered at Arandahl, in Norway, a new mineral, to which he gives the name of datolite. 1868 J. D. Dana Syst. Mineral. (ed. 5) 382 Datolite is found in trappean rocks. 1898 Amer. Naturalist 32 816 The crystals assume three types of habit, one of which closely simulates that of datolite from Bergen Hill. 1948 R. M. Pearl Pop. Gemol. iii. 154 Datolite is closely related in a structural way to euclase. 2004 W. D. Nesse Introd. Optical Mineral. (ed. 3) xi. 183/1 Apophyllite is usually found..in association with prehnite, zeolites, pectolite, datolite, and calcite. This entry has been updated (OED Third Edition, March 2012; most recently modified version published online March 2022). < n.1807 |
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