Africa087 - Willemite - Tsumeb, Otjikoto Region, Namibia

Blue willemite botyroids to about 3 mm cover both sides of this specimen. The willemite ranges in color from a light powder blue to a medium, almost robin's-egg blue. Some additional green, unidentified minerals are also present. Formerly in my personal collection. The willemite is brightly fluorescent under LW UV. 6.9 x 4.9 x 3.6 cm.