Assertion: verdigris | /r/HasProperty | copper carbonate
Facets:
Source sentences:
text: A green layer of verdigris (copper carbonate) can often be seen on old copper structures, such as the roofing of many older buildings and the Statue of Liberty.
text: A green layer of verdigris (copper carbonate) can often be seen on old copper structures, such as the roofing of many older buildings and the Statue of Liberty.