Assertion: lithium | /r/HasProperty | discovered by johan arfvedson
Facets:
value: in stockholm
type: LOCATION
value: in 1817
type: TEMPORAL
value: during an analysis of petalite
type: TEMPORAL
Source sentences:
text: Lithium was discovered by Johan Arfvedson in 1817 in Stockholm, Sweden, during an analysis of petalite (LiAlSi 4 O 10 ).