Manganite
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Very sharp cylindrical black and lustrous crystals, forming a mound whose base is made of massive manganite.
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Added on11/10/2024
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Mineral guide
Learn about Manganite
black metallic MnO(OH) with steel-gray luster and crisp, striated crystals; sought for large, lustrous specimens from Ilfeld and Kalahari Field.
Regional guide

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