MARK A. SCHNEIDER / SCIENCE PHOTO LIBRARY MARK A. SCHNEIDER / SCIENCE PHOTO LIBRARY
Calcite crystals with Mottramite (lead copper vanadate hydroxide). A plate of iridescent mottramite mixed with white calcite rhombs partially coated with duftite (lead calcium copper zinc arsenate hydroxide) in triangular patterns. Tsumeb Mine. Tsumeb, Namibia, South Africa. Specimen Dimension: approximately 3 x 6 cm.
Model release not required. Property release not required.