Wikipedia contributors. (2024, March 21). George Orwell. In Wikipedia, The Free Encyclopedia. Retrieved March 21, 2024, from https://en.wikipedia.org/w/index.php?title=George_Orwell&oldid=1214783158
In the Bronze Age chalcedony was in use in the Mediterranean region; for example, on Minoan Crete at the Palace of Knossos, chalcedony seals have been recovered dating to circa 1800 BC.