Assertion: gold alloy | /r/HasProperty | 20-80% silver
Facets:
Source sentences:
text: The name may be applied to any gold-silver alloy that is 20-80% gold and 20-80% silver, but unless it is the natural alloy, the synthesized metal is more correctly termed 'green gold', 'gold', or 'silver' (depending which metal is present in the higher amount).