Assertion: fossil coral | /r/HasProperty | a type of agate or chalcedony
Facets:
value: due to its silicon dioxide composition
type: CAUSE
Source sentences:
text: It is considered to be a type of agate or chalcedony, rather than a type of coral, due to its silicon dioxide composition (SiO2).
text: It is considered to be a type of agate or chalcedony, rather than a type of coral, due to its silicon dioxide composition (SiO2).