最終更新日:2024/08/01
(mineralogy) An orthorhombic-dipyramidal reddish brown mineral containing boron, iron, magnesium, manganese, and oxygen.
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fredrikssonite
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(mineralogy) An orthorhombic-dipyramidal reddish brown mineral containing boron, iron, magnesium, manganese, and oxygen.
fredrikssonite