A mineral consisting of manganese oxyhydroxide typically occurring as steel gray or black prisms
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AnswerCrossword Clue
manganiteA mineral consisting of manganese oxyhydroxide, typically occurring as steel-gray or black prisms
manganitesA mineral consisting of manganese oxyhydroxide, typically occurring as steel-gray or black prisms
rhodochrositeA mineral consisting of manganese carbonate, typically occurring as pink, brown, or gray rhombohedral crystals
columbitesA black mineral, typically occurring as dense, tabular crystals, consisting of an oxide of iron, manganese, niobium, and tantalum. It is the chief ore of niobium
columbiteA black mineral, typically occurring as dense, tabular crystals, consisting of an oxide of iron, manganese, niobium, and tantalum. It is the chief ore of niobium
smaltiteA metallic-gray mineral consisting chiefly of cobalt arsenide, typically occurring as cubic or octahedral crystals
smithsoniteA yellow, gray, or green mineral consisting of zinc carbonate typically occurring as crusts or rounded masses