Assertion: alexandrite | /r/HasProperty | discovered in czarist russia
Facets:
value: on april
type: TEMPORAL
Source sentences:
text: Alexandrite was first discovered in Czarist Russia, in the Ural mountains, on April 3 1834, when several crystals were found in Tokovanya deposits.
text: Alexandrite is a gem variety of the mineral chrysoberyl discovered in 1830 in Czarist Russia.
text: Alexandrite has a distinguished and glamorous past: it was discovered in 1830 in Czarist Russia.