Viking Sunstone Navigation Artifact. Crystal fragment found near a 1592 Elizabethan shipwreck off Alderney. Associated with Viking navigation and the legendary sunstone. Modern experiments show Iceland spar can locate the sun within 5° even below the horizon.

A crystal fragment found at the Alderney shipwreck near the Channel Islands may be a Viking sunstone—Iceland spar can locate the sun to within a few degrees even below the horizon. No intact sunstones have been found at confirmed Viking sites yet.

Key Facts

  • Crystal fragment found near a 1592 Elizabethan shipwreck off Alderney.
  • Associated with Viking navigation and the legendary sunstone.
  • Modern experiments show Iceland spar can locate the sun within 5° even below the horizon.
  • No intact sunstone recovered from confirmed Viking sites.

Related site: Chios Shipwreck A — view location, images, and history on the Ancient Nerds map.