Assertion: beryllium | /r/HasProperty | discovered in beryl
Facets:
value: in emeralds in 1798
type: TEMPORAL
value: by nicolas-louis vauquelin
type: OTHER
Source sentences:
text: Beryllium was discovered in France by Nicolas-Louis Vauquelin in beryl and in emeralds in 1798 and was isolated as the metal independently by Friedrich Wöhler and A.A. Bussy in 1828.