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单词 ramsdellite
释义

ramsdellite

noun

rams·​dell·​ite
ˈramzˌdeˌlīt
plural -s
: a mineral consisting of manganese dioxide that is polymorphous with pyrolusite

Word History

Etymology

Lewis S. Ramsdell, born 1895 American mineralogist + English -ite

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更新时间:2024/12/23 18:31:30