Sea silk is a highly-precious fabric that is so rare only one woman left on earth knows the secret to its creation. Whilst silk is famously known to be obtained from the cocoons of the mulberry silkworm larvae, sea silk comes from a type of Mediterranean clam known as the pen shell. Like regular silk, sea silk is a luxurious product, but few will ever get to touch, let alone see, this rare fabric. Its creation is a dying art – when master weaver Chiara Vigo passes away, so too will the ancient tradition of producing sea silk. [[{"type":"media","view_mode":"media_large","fid":"41455","attributes":{"alt":"Pinna nobilis shell and byssus or sea silk","class":"media-image","height":"464","style":"width: 610px; height: 464px;","typeof":"foaf:Image","width":"610"}}]] Pinna nobilis shell and byssus or sea silk ( CC BY-SA
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