This Specimen has been sold.
2.7" Lustrous, Botryoidal Goethite Formation - Congo
This beautiful and lustrous, botryoidal goethite formation that was collected from the Democratic Republic of the Congo.
Known since ancient times, Goethite is a beautiful dark gray to black iron-based mineral that can take many forms. It was used in antiquity as a pigment for painting and has even been found in the famous caves at Lascaux, France.