Assertion: magnetite | /r/HasProperty | magnetic mineral
Facets:
value: highly
type: DEGREE
Source sentences:
text: In this case, their attention was grabbed by signs of magnetite, a magnetic mineral made of iron and oxygen that they knew was normally produced only by bacteria.
text: And then there is magnetite (highly magnetic iron oxide).
text: Magnetite (black ore; the magnetic type of iron oxide, also called lodestone)