Silver refers to a white metallic element that is very ductile and malleable. Symbol, Ag. Occurs native and in ores such as argentite and horn silver; lead, lead-zinc , copper, gold, and copper-nickel ores are its principal sources.

Used for jewelry, photography, dental alloys, and coinage.

See also:
"Silver" is in the NAICS Code "21222"
  (Gold Ore and Silver Ore MiningGold Ore and Silver Ore Mining)