Does metal found in a 2,600-year-old shipwreck prove that Atlantis DID exist?

A mythical metal said by ancient Greeks to be found in the lost city of Atlantis has been recovered from a ship that sunk 2,600 years ago off the coast of Sicily. Read more: http://www.dailymail.co.uk/sciencetech/article-2901795/Does-strange-metal-2-600-year-old-shipwreck-prove-Atlantis-DID-exist-Mythical-red-alloy-said-lost-island-discovered-coast-Sicily.html#ixzz3ORHlUFzL