Definition of nuffieldite in English:

nuffieldite

noun

Mineralogy
  • An orthorhombic sulphide of copper, lead, and bismuth (also containing antimony), occurring as elongated steel-grey crystals or grains and originally found at a locality in British Columbia, Canada.

Origin

1960s. From the name of Edward Wilfrid Nuffield, Canadian geologist + -ite.

Pronunciation

nuffieldite

/ˈnʌfiːldʌɪt/