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 his introduction to "The Gangster Film", Hardy noted that work on a crime-themed “companion work” to that volume was in preparation. This book was to be devoted to private eyes, femmes fatales, murderers, and serial killers. To date, no such volume has been published. The first book in the series, "The Western", had laid out the complete plans for all future volumes. In addition to the published Western, Science Fiction, and Horror volumes, the remaining six “forthcoming” books were to be: Comedy, Romance, War, Epics, Musicals, and Thrillers. The Aurum Film Encyclopedia The Aurum Film Encyclopedia is a multi-volume reference