“posnjakite”的英文意思_释义_用法

单词

posnjakite

释义

posnjakite Min.|ˈpɒznjəkaɪt|
[ad. Russ. poznyakit (Komkov & Nefedov 1967, in Zap. Vsesoyuz. Min. Obshch. XCVI. 58): see quot. 1967 and -ite¹.]
A hydrated basic copper sulphate, Cu₄(SO₄)(OH)₆·H₂O, that occurs as dark blue crystals similar to langite.
1967Mineral Abstr. XVIII. 285/2 A new mineral..is named posnjakite in honour of E. W. Posnjak (1888–1949), well known for work on copper sulphates.1970Mineral. Mag. XXXVII. 740 (heading) Posnjakite from Cornwall.Ibid., While examining and surveying the disused workings of the Drakewalls mine, Gunnislake, we have found specimens of the recently described species posnjakite in old stopes..above the deep adit level.

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