Rhodochrosite, Goethite

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Rhodochrosite plates growing on goethite stalactites, 6.5cm, from the Mahnomen mine, Cuyuna Range. Seaman Museum specimen; Chris Stefano photo.

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Added on02/13/2026
Publications
  • Mineralogical Record 56 4 page 485

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Rhodochrosite
Mineral guide
Learn about Rhodochrosite
deep pink to rich red manganese carbonate with vitreous crystals, diverse crystal habits, and renowned localities prized by collectors.
Regional guide
Rhodochrosite from Mahnomen Mine
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