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Definition of Fredrikssonite
1. Noun. (minerology) An orthorhombic-dipyramidal reddish brown mineral containing boron, iron, magnesium, manganese, and oxygen. ¹
¹ Source: wiktionary.com
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1. Noun. (minerology) An orthorhombic-dipyramidal reddish brown mineral containing boron, iron, magnesium, manganese, and oxygen. ¹
¹ Source: wiktionary.com