“rooseveltite”的英文意思_释义_用法

单词

rooseveltite

释义

rooseveltite Min.|ˈrəʊz(ə)vɛltaɪt, ˈruː-|
[ad. Sp. rooseveltita (R. Herzenberg 1946, in Bol. Técnico (Facultad Nacional Ingeniería, Univ. Técnica, Oruro, Bolivia) No. 1. 10), f. the name of Franklin D. Roosevelt (see prec.): see -ite¹.]
An arsenate of bismuth, BiAsO₄, which is found as a white or grey crust in veinlets of wood-tin in Bolivia and Argentina.
1947Amer. Mineralogist XXXII. 372 (heading) Rooseveltite.1949Mineral. Abstr. X. 9 It is named rooseveltite, and is perhaps isomorphous with pucherite.1972Tschermaks Mineral. und Petrogr. Mitt. XVII. 65 Rooseveltite occurs in the weathering zone of the San Francisco de los Andes and Cerro Negro de la Aquadita mines, located in the San Juan Province, Argentina.

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