Assertion: chalcopyrite | /r/CapableOf | remain refractory
Facets:
value: to ambient temperature bioleaching
type: CAUSE
Source sentences:
text: While chalcopyrite remains refractory to ambient temperature bioleaching, other copper sulfide minerals - the secondary sulfide minerals - such as chalcocite, covellite, bornite, etc. - are leachable by today's technology.