Rare 5,000-year-old crystal dagger is uncovered in Prehistoric Iberian megalithic tomb that may have been used by a high-ranking person to gain 'magical powers'

Rare 5,000-year-old crystal dagger is uncovered in Prehistoric Iberian megalithic tomb that may have been used by a high-ranking person to gain 'magical powers' https://ift.tt/3s5mbHs