Learn about Hausmannite
(Mn3O4): jet-black, metallic luster with sharp pseudo-octahedra. From South Africa’s Kalahari Manganese Field, prized for dramatic contrast.Kalahari Manganese Fields
Kalahari Manganese Fields, South Africa - famed locality for dramatic manganese specimens, including rhodochrosite on black manganite, hematite, hausmannite.
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