bornite

About 0.04 uses per million words.

Meaning

1. noun A reddish mineral that tarnishes on exposure to air; it is a mixed sulfide of iron and copper with the chemical formula Cu5FeS and is an important ore of copper.

Similar words

peacock ore bournonite neyite bermanite bismuthinite benjaminite namibite cuprobismutite bixbyite birnessite

Often followed by

and is in are with ores was by

Word family

bornites