This is a summary of Other Materials, more information can be found using the links below.
Unlike other metals, gold usually occurs in its metallic form and needs no smelting, although to free it from other metals, and to increase its purity, it must go through complex refining processes.
Although aluminium is the most common metal, it cannot be produced without employing industrial-scale processes.
Little silver has been found in the soils of Africa. Items made of silver are particularly associated with Tuareg groups in Niger and communities in Ethiopia.
Wire is often used to decorate objects. Now it is sold in shops, but formerly was made in a small number of specialist workshops.