单词 | bastonite |
释义 | bastoniten. 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). < n.1863 |
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