Minerals ~ Goethite
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Oxidized or "rusted" Pyrite cubes, in matrix.
This is an important Redox chemical reaction in Acid mine drainage.
Photo Credit: Qfl247

Goethite (FeO(OH)), named after the German polymath Johann Wolfgang von Goethe, is an iron bearing oxide mineral found in soil and other low-temperature environments. Goethite has been well known since prehistoric times for its use as a pigment. Evidence has been found of its use in paint pigment samples taken from the caves of Lascaux in France. It was first described in 1806 for occurrences in the Hollertszug Mine, Dermbach, Herdorf, Siegerland, Rhineland-Palatinate, Germany.

In 2003, nanoparticulate authigenic goethite was shown to be the most common diagenetic iron oxyhydroxide in both marine and lake sediments.

Goethite is generally a replacement mineral and can be found replacing pyrite cubes and even gypsum stalactites. In massive form Goethite can resemble Limonite and Hematite


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Specimens in Mini Boxes

These specimens are mounted in plastic display boxes that measure 2 1/4" x 1 3/4" x 1" deep. Click on the image to see the full listing of available specimens

Price: Marked under Specimens


Each specimen is unique so availability is by image of the piece you select. Orders are taken on a first come basis. We have many more in this size range that are not mounted. Those will be in a separate listing



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