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
The Aurum Film Encyclopedia The Aurum Film Encyclopedia The Aurum Film Encyclopedia is a multi-volume reference work on cinema, published in the UK by Aurum Press and edited by Phil Hardy. The first volume, devoted to western films, appeared in 1983, with eight subsequent volumes announced at that time as "forthcoming". However, only three additional entries were issued. All four volumes have been published in the U.S. by The Overlook Press, with the same contents as the UK editions but with the title changed to The Overlook Film Encyclopedia. The Foreword to all four volumes is the same, describing the proposed nine-volume encyclopedia as