silk is prized because of its appearance
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Answer:
The shimmering appearance for which silk is prized comes from the fibers' triangular prism-like structure which allows silk cloth to refract incoming light at different angles.
Certainly silk will never become a mass produced fibre, but it will continue to occupy its special position as a fibre for exceptionally high quality garments. The silk is gaining increasing importance day by day because of its exclusive qualities which are rarely found in any other fibres. Silk is a natural protein fiber, some forms of which can be woven into textiles. Silk is the only natural filament that man does not have to spin before it can be used for textile fabrics. The cultivation of silk is known as Sericulture. The natural silk spun by silk worms in the form of cocoons is utilized only to 50% of its production because of lack in right way of processing and deficiency in sericulture.
Silk is broadly divided as: a) Domestic silk or Mulberry silk b) Wild silk.
The wild silk has 3 varieties a) Eri b) Muga c) Tussar silk. Eri is the staple fibre and others are filament. All these species rear in the forests and known as VANYA SILKS. The wild silks are the unique products of our country.
The best known type of silk is obtained from cocoons made by the larvae of the mulberry silkworm Bombyx mori reared in captivity (sericulture). "Wild silks" are produced by caterpillars other than the mulberry silkworm and can be artificially cultivated. Over 30 countries produce silk, the major ones are China (54%) and India (14%).
A variety of wild silks have been known and used in China, South Asia, and Europe since early times, but the scale of production was always far smaller than that of cultivated silks. They differ from the domesticated varieties in color and texture, and cocoons gathered in the wild usually have been damaged by the emerging moth before the cocoons are gathered, so the silk thread that makes up the cocoon has been torn into shorter lengths.
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