“penroseite”的英文意思_释义_用法

单词

penroseite

释义

penroseite Min.|ˈpɛnrəʊzaɪt|
[f. the name of Richard A. F. Penrose, Jr. (1863–1931), U.S. mining geologist + -ite¹.]
A selenide of nickel, ideally NiSe₂, which usu. also contains copper, lead, or silver, probably as impurities, and occurs in grey reniform masses.
1926S. G. Gordon in Proc. Acad. Nat. Sci. Philadelphia LXXVII. 317 Penroseite was obtained in a small collection of minerals which the writer purchased from a local merchant at Colquechaca, Bolivia.Ibid. 321 It is a pleasure to name this new mineral in honor of Dr. Richard A. F. Penrose, Jr.1937Amer. Mineralogist XXII. 322 The minerals most likely to be intergrown with penroseite and blockite are cubic in symmetry, such as clausthalite,.., naumannite.., and argentiferous galena.Ibid., Penroseite and blockite may therefore be regarded as identical minerals and the latter name may be discarded.1968I. Kostov Mineral. 124 Penroseite usually contains some copper and cobalt.

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