Famed Viking 'sunstone' found in shipwreck?
The 'sunstone' which was discovered in the wreck of an Elizabethan ship sunk off the Channel Islands has long been the subject of scientific intrigue after it was described in one Icelandic saga as a magical gem which, when held up to sky, would reveal the position of the Sun.
The navigational device could be one of the secrets behind the Vikings' reputation as remarkable seafarers whose prowess at heading into unexplored water might have enabled them to beat Christopher Columbus to discover America by hundreds of
years, 'The Independent' reported.
Researchers from the University of Rennes in Brittany suggest Tudor sailors may have used the stone to navigate in much the same way as their Viking predecessors after they studied the cigarette packet-shaped crystal found on board the wreck off Alderney.
The stone - a calcite substance known as Iceland spar - was found by divers next to a pair of dividers, leading investigators to wonder whether it formed part of the
navigational arsenal of the English vessel, which sank in 1592, some four years after the Spanish Armada.
Despite the literary references, no intact sunstone has been found on Viking sites.
However, after carrying out several tests, including an analysis to prove its cloudy appearance, the French-led team have concluded that shards of Icelandic spar can act as a remarkably precise navigational aid, the report said.
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