delessiten.

Brit.

/dᵻˈlɛsʌɪt/, U.S.

/dəˈlɛˌsaɪt/

Origin: A borrowing from German. Etymon: German Delessit.

Etymology: < German Delessit ( C. F. Naumann Lehrb. der Geognosie (1849) I. 605) < the name of Achille Ernest Oscar Joseph Delesse (1817–81), French mineralogist, who first described this mineral + German -it -ite suffix¹.Delesse called this mineral chlorite ferrugineuse, literally ‘ferruginous chlorite’.

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).

单词	delessite
释义	delessiten. Brit. /dᵻˈlɛsʌɪt/, U.S. /dəˈlɛˌsaɪt/ Origin: A borrowing from German. Etymon: German Delessit. Etymology: < German Delessit ( C. F. Naumann Lehrb. der Geognosie (1849) I. 605) < the name of Achille Ernest Oscar Joseph Delesse (1817–81), French mineralogist, who first described this mineral + German -it -ite suffix¹.Delesse called this mineral chlorite ferrugineuse, literally ‘ferruginous chlorite’. 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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