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Definition of Lyonsite
1. Noun. (minerology) An orthorhombic-dipyramidal black mineral containing copper, iron, oxygen, and vanadium. ¹
¹ Source: wiktionary.com
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1. Noun. (minerology) An orthorhombic-dipyramidal black mineral containing copper, iron, oxygen, and vanadium. ¹
¹ Source: wiktionary.com