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单词 pinakiolite
释义

pinakioliten.

Brit. /pᵻˈnakɪəlʌɪt/, U.S. /pᵻˈnækiəˌlaɪt/
Origin: A borrowing from Greek, combined with an English element; modelled on a German lexical item. Etymons: Greek πινάκιον , -lite comb. form1.
Etymology: < ancient Greek πινάκιον small tablet ( < πινακ- , πίναξ pinax n. + -ιον, diminutive suffix) + -lite comb. form1, after German Pinakiolit (G. Flink 1890, in Zeitschr. f. Krystallogr. u. Min. 18 36).
Mineralogy.
A mineral that is a borate of manganese and magnesium, Mg2MnO2(BO3), occurring as tabular black crystals of a metallic appearance that belong to the monoclinic system.
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sussexite1868
pinakiolite1891
1891 Amer. Jrnl. Sc. 41 251 Pinakiolite is a new borate of manganese and magnesium.
1999 I. Kostov & R. I. Kostov Crystal Habits Minerals vi. 274 Pinakiolite, Mg2Mn(BO3)O2..is a good example for a Pc type borate, notwithstanding the isolated BO3 group in its structure.
This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022).
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n.1891
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