Quartz coating Goethite stalactites

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Quartz coating goethite stalactites, 4.5cm, from the Portsmouth mine, Cuyuna Range. Seaman Museum specimen DM21944; Chris Stefano photo.

Product details

SpeciesQuartz, Goethite

Added on02/13/2026

LocalityUSA, Minnesota, Portsmouth Mine

Publications

Mineralogical Record 56 4 page 481

Current owner

Seaman Museum

Added by the community · Not a registered member

Quartz coating Goethite stalactites

Product details

Current owner

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Quartz from Portsmouth Mine

Portsmouth Mine