ききんぞく
貴金属
1. precious metal
2. Precious metalA precious metal is a rare, naturally occurring metallic chemical element of high economic value. Chemically, the precious metals are less reactive than most elements. 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 gold and silver.
Read “Precious metal” on English Wikipedia
Read “貴金属” on Japanese Wikipedia
Read “Precious metal” on DBpedia
Read “Precious metal” on English Wikipedia
Read “貴金属” on Japanese Wikipedia
Read “Precious metal” on DBpedia
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