An excellent specimen of Wulfenite from the Tsumeb Mine, Namibia. The Wulfenite has largely coated a cavity measuring 5cm by 3cm, and seen in many other areas on the matrix. Crystals of Wulfenite display classic crystal measuring to 0.5cm mostly dominated by the pyramid faces. Wulfenite crystals have a brilliant luster with an orange brown to light straw yellow colour. The specimen also has in association rich areas of acicular Mimetite crystals measuring to 3mm, and scattered radial micro-crystal groups of an undefined mineral. On a matrix of mixed Fe-Oxides and remnant Sulphides. A fine specimen of Wulfenite from the Tsumeb Mine.