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单词 bastonite
释义

bastoniten.

Brit. /ˈbastənʌɪt/, U.S. /ˈbæstəˌnaɪt/
Origin: A borrowing from French. Etymon: French bastonite.
Etymology: < French bastonite (1848 or earlier) < Bastogne , the name of a town in Belgium where the mineral was discovered + French -ite -ite suffix1.
Mineralogy.
A variety of mica occurring as large greenish-brown plates, close to hydrobiotite in composition.
ΚΠ
1863 N. Story-Maskelyne Catal. Minerals Brit. Mus. 3/2 Bastonite (Mica).
1868 J. D. Dana Syst. Mineral. (ed. 5) 308 Bastonite is a mica in large plicated plates of a greenish-brown color, greasy lustre, very small optical angle, easily fusible into a black enamel, discovered by Dumont in a quartzite from Bastoigne [sic], Duchy of Luxembourg.
1909 A. E. Foote Compl. Mineral Catal. (ed. 12) 153 Bastonite. Altered iron mica. Pearly.
2005 Contrib. Mineral. & Petrol. 150 104/2 This particular mica is termed Bastonite and..is one of the richest NH4+ micas encountered so far.
This entry has been updated (OED Third Edition, June 2019; most recently modified version published online December 2021).
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n.1863
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