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Definition of Howardevansite
1. Noun. (minerology) A triclinic-pinacoidal black mineral containing copper, iron, oxygen, sodium, and vanadium. ¹
¹ Source: wiktionary.com
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1. Noun. (minerology) A triclinic-pinacoidal black mineral containing copper, iron, oxygen, sodium, and vanadium. ¹
¹ Source: wiktionary.com