Assertion: tungsten | /r/HasProperty | isolated as tungstic oxide
Facets:
value: in sweden
type: LOCATION
value: in 1781
type: TEMPORAL
value: from the mineral scheelite
type: LOCATION
value: by carl w. scheele
type: OTHER
Source sentences:
text: Tungsten was discovered and isolated as tungstic oxide (WO 3 ) in 1781 by the Swedish chemist K. Scheele from the mineral tungsten, which was later called scheelite.
text: Tungsten was isolated as tungstic oxide (WO 3 ) in 1781, in Sweden, by Carl W. Scheele from the mineral scheelite