Assertion: iron meteorite | /r/HasProperty | nickel
Facets:
value: mainly
type: DEGREE
Source sentences:
text: Iron meteorites are composed mainly of metallic iron and nickel, often mixed together as an alloy.
text: This type of meteorite gets its name because it is mostly made of the elements iron and nickel.
text: As discussed in previous editions of Meteorwritings, iron meteorites are composed primarily of iron and nickel, and once formed part of the core of planets or large asteroids.