With Charles III's coronation happening this saturday, they've brought the Stone of Destiny (aka the Stone of Scone) down from Scotland:
The Stone of Destiny, an ancient rock and sacred symbol of Scotland's monarchy, was brought to London ahead of the coronation of King Charles. For centuries, British monarchs have been crowned on the more than 330-pound piece of sandstone. NBC News’ Ali Arouzi reports.
www.nbcnews.com
This stone is part of the "Coronation Chair" that English, and later British, monarchs have traditionally been crowned upon. It was used for the coronation of Scottish kings until the 13th century, until Edward I ("the Confessor") seized it from a Scottish abbey and had it fitted into a wooden chair in 1296. Kings and queens have been crowned on it since, though the Stone of Destiny itself was repatriated to Scotland in 1996, and of course the last time it was used for a coronation was 1953.
There are plenty of myths surrounding the stone. Apropos of the topic of this thread, one of these myths is that it's the stone Jacob used as a pillow at Bethel and then set up as an altar, after seeing his vision of heaven. As the legend goes, the prophet Jeremiah had possession of the stone, and took it with him when he was exiled to Egypt. Subsequently he travelled to Ireland, where he died, and the Stone of Destiny made its way to the abbey in Scotland.
As for the stone itself, it's just a chunk of indigenous sandstone quarried near Scone.