Goethite Specimen #3 (Morocco)

Mounted in a small display box with a label bearing the mineral name, chemical formula, and origin.

Geologic Information & History

Goethite [α-Fe³⁺O(OH)] is the most common iron oxide mineral on Earth. It is created through the weathering of Fe-bearing minerals and is common in sediments. It was officially named in 1806 for Johann Wolfgang von Goethe, the Cheif Minister of the State of Weimar.

Dimensions & Specifications

Specific Gravity: 3.3-4.3
Hardness: 5-5.5
Material: Goethite [α-Fe³⁺O(OH)]
Origin: Morocco