Silkstone, Riebeckite, Iron oxides

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Silkstone with replacement of original riebeckite fibers by iron oxides, 10.5cm, from the Cuyuna Range. Seaman Museum specimen. Photo by Chris Stefano.

Product details

Added on02/13/2026
LocalityUSA, Minnesota
Publications
  • Mineralogical Record 56 4 page 484