最終更新日：2024/08/01

(mineralogy) An orthorhombic-dipyramidal black mineral containing boron, magnesium, manganese, and oxygen.

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takeuchiite

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takeuchiite

noun

(mineralogy) An orthorhombic-dipyramidal black mineral containing boron, magnesium, manganese, and oxygen.

Takeuchiite is a rare mineral found in Japan.

意味（1）

(mineralogy) An orthorhombic-dipyramidal black mineral containing boron, magnesium, manganese, and oxygen.