Goethite as balls and iridescent coating on micro quartz self collected from Taylor Mine, Baraga Co., Michigan. (Field of view 2mm) : r/Minerals

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Full article: Collector's Note: Collectors of Tiny Mineral Treasures In the Keweenaw of Michigan: Thirty-first in a series of articles on the mines and minerals of Michigan's Copper Country

Goethite, Michigan - Item# MSGOE-078

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Goethite - Mineral specimens search results - Fabre Minerals

Full article: Collector's Note: Collectors of Tiny Mineral Treasures In the Keweenaw of Michigan: Thirty-first in a series of articles on the mines and minerals of Michigan's Copper Country

6.5cms GOETHITE BOTRYOIDAL IRIDESCENT CRYSTALS PERU IRON NEW FIND MINERAL ZB04

Quartz w/ Iridescent Goethite - Summit's Steps Minerals