“todorokite”的英文意思_释义_用法

单词

todorokite

释义

todorokite Min.|tɒˈdɒrəkaɪt|
[f. the name of the Todoroki mine, Hokkaidô, Japan + -ite¹.]
A hydrated oxide of manganese, calcium, and other elements occurring as soft black aggregates of minute, probably monoclinic laths having a metallic lustre; also, any of a group of minerals structurally related to this.
1934T. Yoshimura in Jrnl. Faculty Sci. Hokkaidô Univ. Ser. IV. II. 297 The new mineral belonged to the purest species of crystalline manganomelane. As such a mineral had not yet been reported, this mineral was named ‘todorokite’ after the name of the mine where it had been first noticed.1981Science 29 May 1024/1 Todorokites are calcium-bearing manganese oxides found in terrestrial manganese ore deposits, in weathering products of manganese-bearing rocks, and in some manganese nodules.

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