Yet despite their apparent significance, the otherworldly fashion trend involving these otherworldly rings seems to have mysteriously vanished by the 12th century BCE, for reasons that remain unclear to researchers. However, another mystery involves the source of the meteoritic material, which remains uncertain since extraterrestrial iron was uncommon in ancient Greece. Several famous examples of meteoritic iron have been recovered from Egypt, which include a dagger found among the items entombed with the Pharaoh Tutankhamun. An Otherworldly Fashion Trend Goes MissingCuriously, the researchers also found that by around the 12th century BCE, this otherworldly fashion trend appears to have almost completely vanished, and for reasons that remain unclear. However, one potential clue is that the ancient Greeks’ production of meteoritic iron rings seems to have ended coinciding with the collapse of the Mycenaean palace system.