Assertion: gold | /r/AtLocation | rare alloys
Facets:
value: with copper
type: OTHER
value: with mercury
type: OTHER
value: with lead
type: OTHER
Source sentences:
text: Gold also occurs in rare alloys with copper, lead, and mercury: the minerals auricupride (Cu 3 Au), novodneprite (AuPb 3 ) and weishanite ((Au, Ag) 3 Hg 2 ).