单词 | delessite |
释义 | delessiten. Mineralogy. A dark-green mineral of the chlorite group, usually regarded as an iron-rich variety of clinochlore. ΚΠ 1851 Amer. Jrnl. Sci. 62 218 Delessite of Naumann, is a ferruginous chlorite from amygdaloid. 1854 J. D. Dana Syst. Mineral. (ed. 4) II. 296 (heading) Delessite, Naumann... Massive, with a short fibrous or scaly feathery texture... Color olive-green to blackish-green. 2017 Geosci. Frontiers 8 488 Secondary minerals such as delessite and zeolite are present. This entry has been updated (OED Third Edition, March 2020; most recently modified version published online March 2022). < n.1851 |
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