Assertion: pyrite | /r/CapableOf | survive as sparking material
Facets:
value: in wheel lock firearms
type: LOCATION
value: into the 16th century
type: TEMPORAL
Source sentences:
text: Pyrite survived as a sparking material only into the 16th century, notably in wheel lock firearms, in which a mechanical arm securing a piece of pyrite was placed against a serrated steel wheel.