Assertion: chalcopyrite | /r/RelatedTo | pyrite
Facets:
value: mainly
type: DEGREE
Source sentences:
text: Chalcopyrite is also associated with similar minerals such as pyrite, sphalerite and bornite.
text: Chalcopyrite is mainly associated with late calcite, quartz, adularia, galena, acanthite, and pyrite, precipitating within open spaces after pyrite formation.