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The original was posted on /r/science by /u/MistWeaver80 on 2023-08-13 00:26:31.

Original Title: 2,800-Year-Old Arrowhead from the late Bronze Age settlement of Mörigen, Switzerland Was Made of Meteoritic Iron. The cosmogenic isotope aluminum-26; the concentrations of nickel, cobalt, germanium & gallium; & two minerals called kamacite & taenite was detected in the arrowhead.