最終更新日：2024/07/30

(mineralogy) A shiny black radioactive mineral that contains a complex mixture of rare earth oxides

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samarskite

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元となった辞書の項目

samarskite

noun

(mineralogy) A shiny black radioactive mineral that contains a complex mixture of rare earth oxides

Samarskite is a rare mineral found in certain regions.

意味（1）

(mineralogy) A shiny black radioactive mineral that contains a complex mixture of rare earth oxides