Assertion: pyrite | /r/HasProperty | struck by metal
Facets:
Source sentences:
text: The name comes from the Greek word pyr, “fire,” because pyrite emits sparks when struck by metal.
text: Sparks are created when pyrite is struck against metal or a hard surface and this was one of the earliest methods humans discovered to create flame.
text: “pyr”, meaning fire, as pyrite emits sparks when struck by metal.
text: “pyr”, meaning fire, as pyrite emits sparks when struck by metal.
text: “pyr”, meaning fire, as pyrite emits sparks when struck by metal.