Golden wulfenite on a tennantite matrix – Tsumeb Mine, Otavi Mountains, Oshikoto, Namibia

 The rare golden wulfenite crystals stand out brilliantly against the tennantite matrix. These wulfenite crystals, measuring up to 1.2 cm in size, are sharply defined and crystallized.
 Rare collector's item from the famous and now-extinct Tsumeb mine in Namibia