Assertion: meteorite's iron | /r/HasProperty | known on earth's surface
Facets:
Source sentences:
text: It is also the most massive naturally occurring piece of iron (actually ferronickel) known on Earth's surface.
text: The largest known meteorite (as a single piece), and the most massive naturally-occurring piece of iron known on Earth’s surface left no crater.
text: It is also the largest naturally occurring piece of iron known on the Earth’s surface.
text: It is also the most massive naturally occurring piece of iron known on earth's surface.