Ireland's famous Blarney Stone isn't a slice of Stonehenge, part of Robert the Bruce's "Stone of Destiny," or anything else more exotic than local limestone, researchers say.

The stone reputed to give those who kiss it the "gift of the gab" has been revealed to be fully Irish by tests on a fragment scraped from the stone embedded in the battlements of County Cork's Blarney Castle, the Herald reports.

Some legends had claimed the stone set into the castle in 1446 had associations with Moses or King David. Researchers at University of Glasgow's Hunterian Museum found the sample amid a collection of thousands of 19th-century geological slides....