This sample of mimetite is displayed in the Smithsonian Museum of Natural History. Mimetite contains lead, arsenic and chlorine with the composition Pb5(AsO4)3Cl. This sample is about 5x5 cm and is from Tsumeb, Namibia.
This sample of mimetite is from Mt. Bonnie mine, Price's Spring Station, Northern Territory, Australia. It is about 8 cm long.