Assertion: dagger's origin | /r/HasProperty | meteorite
Facets:
Source sentences:
text: Originally discovered in 1925 in Tutankhamun's 14th Century BC King's Valley tomb by archaeologist Howard Carter, the iron dagger is of meteorite origin.
text: These facts, and the composition of the dagger had long suggested a meteoritic origin, however, evidence for its meteoritic origin was not entirely conclusive until June 2016 when researchers using x-ray fluorescence spectrometry confirmed similar proportions of metals (Iron, 10% nickel, and 0.6% cobalt) in a meteorite discovered in the area, deposited by an ancient meteor shower.