nugget
noun /ˈnʌɡɪt/
  /ˈnʌɡɪt/
- a small piece of a valuable metal or mineral, especially gold, that is found in the earth
 - a small round piece of some types of food
- chicken nuggets
 
 - a small thing such as an idea or a fact that people think of as valuable synonym snippet
- a useful nugget of information
 
 
Word Originmid 19th cent.: apparently from dialect nug ‘lump’, of unknown origin.