EAH46CD6: Aggregate of botryoidal Goethite on matrix, with a uniform very dark black color, but with a luster that stands out for its high intensity, something not so common in the specimens found in La Arboleda, a mineralogically classic iron deposit for the Basque Country and which was so important for the development of its steel industry.
La Arboleda Mines, La Arboleda (Zugaztieta), Valle de Trápaga/Trapagaran, Comarca Gran Bilbao, Vizcaya / Bizkaia, Basque Country (Euskadi)  Spain (+1980)

Specimen size: 7.5 × 6 × 4.2 cm = 2.95” × 2.36” × 1.65”