Precious metal Precious metal A precious metal is a rare, naturally occurring metallic chemical element of high economic value. Chemically, the precious metals tend to be less reactive than most elements (see noble metal). They are usually ductile and have a high lustre. Historically, precious metals were important as currency but are now regarded mainly as investment and industrial commodities. Gold, silver, platinum, and palladium each have an ISO 4217 currency code. The best known precious metals are the coinage metals, which are gold and silver. Although both have industrial uses, they are better known for their uses in art, jewelry, and
Populism in Latin America launch of the State-owned oil-company Petrobrás—that were the hallmark of Vargas' second term as Brazil's democratically elected president (1951–1954) and that led to his eventual suicide. In some countries, Populism has been fiscally supported in Latin America during periods of growth such as the 1950s and 1960s and during commodity price booms such as in oil and precious metals. Political leaders could gather followers among the popular classes with broad redistributive programs during these boom times. Conversely, in others countries, Populism has been historically associated with countering the relative decline of export agriculture with deficit spending and import-substitution policies aimed