Home > Term: gray manganese ore
gray manganese ore
A monoclinic mineral, MnO(OH) ; trimorphous with feiknechtite and groutite; a hydrothermal vein mineral; an ore of manganese.
- Kalbos dalis: noun
- Pramonės šaka / sritis: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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- ed.young
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