Libethenite mineral Wedgeshaped, crystals of libethenite Cu2AsO4OH, a copper phosphate hydroxide. Mineral originally from Vila Vicosa, Portugal., Photo by FRANK FOXSCIENCE PHOTO LIBRARY Stock Photo - Afloimages
Wedge-shaped, crystals of libethenite (Cu2(AsO4)(OH), a copper phosphate hydroxide). Mineral originally from Vila Vicosa, Portugal., Photo by FRANK FOX/SCIENCE PHOTO LIBRARY